Excretory system
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The document describes the anatomy and functions of the human excretory system. It details the major components, including the kidneys, ureters, urinary bladder, and urethra. The kidneys are retroperitoneal and contain nephrons, which are the functional units that filter blood to form urine. The nephrons contain a glomerulus for blood filtration and tubules for reabsorption and secretion. The excretory system regulates fluid balance and volume, removes waste, and controls blood pressure and red blood cell production.
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Excretory System
The document discusses the excretory system. It describes the major organs that are involved in excretion, including the lungs, skin, liver, and kidneys. The kidneys are described in more detail, noting their location and role in filtering the blood and producing urine. Urine contains waste products like urea, uric acid, and creatinine. The document also outlines other parts of the urinary system like the ureters, urinary bladder, and urethra. It discusses how the excretory system interacts with other body systems and concludes by covering two health issues - kidney stones and cystitis.
Stem 12 excretory
The excretory system removes waste from the body through various organs like the lungs, liver, skin, and urinary system. The lungs release carbon dioxide and water, the liver removes urea, the skin secretes sweat containing water, salts, and urea, and the urinary system filters blood in the kidneys and removes urine containing water, salts, and urea through the ureters, bladder, and urethra. Common diseases include kidney stones from dietary and infection causes, urinary tract infections from bacteria, and bladder cancer which can result from smoking or chemical exposure.
Excretory system
The document summarizes the human excretory system. The skin and kidneys are the main excretory organs, with the kidneys filtering blood and removing waste from the body. The kidneys regulate water and salt concentrations in the body through a process called osmoregulation. The basic unit of the kidney is the nephron, which filters blood and selectively reabsorbs nutrients while excreting waste as urine. Urine is stored in the bladder and released through the urethra.
The Excretory system
The Excretory system is responsible for the elimination of wastes produced by homeostasis.
There are several parts of the body that are involved in this process, such as sweat glands, the liver, the lungs and the kidney system. ... From there, urine is expelled through the urethra and out of the body.
EXCRETORY SYSTEM
The excretory system consists of the kidneys, ureters, urinary bladder, and urethra, and is essential for removing waste from the body. The kidneys filter blood to remove waste and regulate salt levels, producing urine that passes through the ureters into the bladder. The bladder stores urine until it is expelled through the urethra. Other excretory organs include the skin, which sweats out salt and water, the large intestine and lungs, which remove waste, and the liver, which produces bile to remove waste from the blood.
Excretory system
The human excretory system consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys filter waste from the blood via specialized structures called nephrons. Nephrons remove waste from the blood through filtration, reabsorption, and secretion. The filtered waste is collected in the bladder and later excreted from the body through the urethra. The document provides detailed information on the structure and function of each organ in the human excretory system.
Excretory system 2
The document discusses the human excretory system. It describes the key organs that make up the system, including the kidneys, lungs, skin, large intestine, liver, and urinary system. The kidneys regulate water, salts and other substances in the blood. They remove waste from the blood in the form of urine, which passes through the ureters to the urinary bladder for temporary storage before being released through the urethra. The nephron is the basic functional unit of the kidney that filters the blood and regulates water and electrolyte balance.
Human urinary excretory system
The urinary system includes the kidneys, ureters, bladder, and urethra. The kidneys filter waste from the blood and produce urine. Each kidney contains millions of nephrons, the functional units that filter blood. Urine travels from the nephrons through the renal tubules and exits the kidneys through the ureters into the bladder. When full, the bladder empties urine through the urethra to be excreted from the body. The urinary system thus functions to remove waste from the human body.
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Excretory System
The document discusses the excretory system. It describes the major organs that are involved in excretion, including the lungs, skin, liver, and kidneys. The kidneys are described in more detail, noting their location and role in filtering the blood and producing urine. Urine contains waste products like urea, uric acid, and creatinine. The document also outlines other parts of the urinary system like the ureters, urinary bladder, and urethra. It discusses how the excretory system interacts with other body systems and concludes by covering two health issues - kidney stones and cystitis.
Stem 12 excretory
The excretory system removes waste from the body through various organs like the lungs, liver, skin, and urinary system. The lungs release carbon dioxide and water, the liver removes urea, the skin secretes sweat containing water, salts, and urea, and the urinary system filters blood in the kidneys and removes urine containing water, salts, and urea through the ureters, bladder, and urethra. Common diseases include kidney stones from dietary and infection causes, urinary tract infections from bacteria, and bladder cancer which can result from smoking or chemical exposure.
Excretory system
The document summarizes the human excretory system. The skin and kidneys are the main excretory organs, with the kidneys filtering blood and removing waste from the body. The kidneys regulate water and salt concentrations in the body through a process called osmoregulation. The basic unit of the kidney is the nephron, which filters blood and selectively reabsorbs nutrients while excreting waste as urine. Urine is stored in the bladder and released through the urethra.
The Excretory system
The Excretory system is responsible for the elimination of wastes produced by homeostasis.
There are several parts of the body that are involved in this process, such as sweat glands, the liver, the lungs and the kidney system. ... From there, urine is expelled through the urethra and out of the body.
EXCRETORY SYSTEM
The excretory system consists of the kidneys, ureters, urinary bladder, and urethra, and is essential for removing waste from the body. The kidneys filter blood to remove waste and regulate salt levels, producing urine that passes through the ureters into the bladder. The bladder stores urine until it is expelled through the urethra. Other excretory organs include the skin, which sweats out salt and water, the large intestine and lungs, which remove waste, and the liver, which produces bile to remove waste from the blood.
Excretory system
The human excretory system consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys filter waste from the blood via specialized structures called nephrons. Nephrons remove waste from the blood through filtration, reabsorption, and secretion. The filtered waste is collected in the bladder and later excreted from the body through the urethra. The document provides detailed information on the structure and function of each organ in the human excretory system.
Excretory system 2
The document discusses the human excretory system. It describes the key organs that make up the system, including the kidneys, lungs, skin, large intestine, liver, and urinary system. The kidneys regulate water, salts and other substances in the blood. They remove waste from the blood in the form of urine, which passes through the ureters to the urinary bladder for temporary storage before being released through the urethra. The nephron is the basic functional unit of the kidney that filters the blood and regulates water and electrolyte balance.
Human urinary excretory system
The urinary system includes the kidneys, ureters, bladder, and urethra. The kidneys filter waste from the blood and produce urine. Each kidney contains millions of nephrons, the functional units that filter blood. Urine travels from the nephrons through the renal tubules and exits the kidneys through the ureters into the bladder. When full, the bladder empties urine through the urethra to be excreted from the body. The urinary system thus functions to remove waste from the human body.
Excretion
The document describes the key parts and functions of the urinary system. It identifies the kidneys, ureters, bladder, and urethra as parts of the urinary system. The kidneys filter blood to remove waste and regulate fluid balance. They contain millions of nephrons that filter blood, reabsorb useful substances, and produce urine for excretion. For patients with kidney failure, dialysis can perform the kidneys' functions by filtering waste from the blood using a dialysis machine.
Excretory System - Renal system_ST.ppt
The document summarizes the major excretory systems of the human body. It focuses on the urinary system including the kidneys, ureters, and bladder which filter waste from the blood and produce urine for excretion. The kidneys remove metabolic waste products and regulate water, electrolyte, and acid-base balance. Urine travels from the kidneys through the ureters to the bladder for storage until release. The skin is also involved in excretion through sweat glands that help regulate body temperature and remove salts and water.
Excretory system grade 10 life sciences
The excretory system removes waste from the body through various organs. The kidneys filter waste from the blood and produce urine, which is then stored in the bladder and released through the urethra. Other organs such as the skin, lungs, and liver also play roles in excretion. Problems can occur if waste is not properly removed from the body by the excretory system, including urinary tract infections and kidney stones. Keeping well hydrated and maintaining a healthy lifestyle supports the functioning of the excretory system.
Urinary system
1. The document discusses the avian kidney and its role in filtering blood and removing waste from the body. It focuses on the unique features of avian kidneys compared to mammalian kidneys.
2. Key points include that birds excrete uric acid rather than urea as their nitrogenous waste, and their kidneys contain both reptilian and mammalian nephrons.
3. The avian kidney filters blood via ultrafiltration in the glomerulus and reabsorbs useful materials like water, electrolytes, and nutrients through the tubules while excreting waste like uric acid.
Excretory system presentation
The urinary system filters waste from the blood in the kidneys, which contain nephrons that act as tiny filters. The kidneys remove waste through the ureters into the urinary bladder, where urine is stored until expelled through the urethra. Each kidney contains approximately one million nephrons that filter wastes like urea and salt from the blood into collecting tubes and eventually the bladder.
Excretory system
The excretory system collects and eliminates waste from the body through various organs including the kidneys, ureters, bladder and urethra. The kidneys filter waste from the blood to produce urine, which is stored in the bladder and then passed out of the body through the urethra. The excretory system works to maintain homeostasis by regulating fluid levels and removing toxins.
The human urinary system
The urinary system consists of the kidneys, ureters, bladder, and urethra. The kidneys filter waste from the blood and regulate electrolyte and acid-base balance. The ureters are tubes that propel urine from the kidneys to the bladder, which collects and stores urine before it exits the body through the urethra. Each kidney contains millions of nephrons, the functional units that filter the blood and produce urine.
Excretory system
The urinary system works to remove waste from the blood and regulate fluid levels in the body. The kidneys filter blood and remove wastes, excess water, salts, and other substances, forming urine. The hypothalamus monitors fluid levels in the blood and signals the kidneys to adjust urine production accordingly. The main organs of the urinary system are the two kidneys, each containing around a million nephrons that filter the blood. Diseases can occur if wastes are not properly removed from the body.
The urinary system
The urinary system consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys filter the blood and produce urine by removing waste and regulating fluid and electrolyte levels. The urine passes from the kidneys to the bladder through the ureters. The bladder stores urine until emptying through the urethra. The functional unit of the kidney is the nephron, which filters blood to form urine through glomerular filtration, reabsorption, and secretion. Together, these components work to maintain homeostasis by regulating fluid balance and removing waste from the body.
Excretory System
The excretory system regulates homeostasis by removing metabolic, liquid, and gaseous waste from the body. The kidneys filter blood and produce urine by removing wastes and excess water. Urine contains urea, uric acid, ammonia, hormones, dead blood cells, proteins, salts, and toxins. The kidneys filter blood through nephrons, which collect the filtrate and modify it into urine by selectively reabsorbing necessary substances and secreting others. Urine is stored in the bladder and expelled through the urethra.
Excretory System Function
The excretory system helps maintain homeostasis by removing metabolic wastes from the body. The skin, lungs, liver, and kidneys are all organs of excretion. The kidneys specifically remove waste products from the blood and regulate water content and pH levels through nephrons and the formation of urine, which is then expelled from the body.
Urinary dent
The urinary system functions to eliminate waste from the body and regulate water balance and electrolyte levels. It consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys contain millions of nephrons, which are the functional filtering units that form urine by selectively reabsorbing useful substances while filtering out waste. Urine is transported from the kidneys to the bladder via the ureters. The bladder stores urine until voiding through the urethra. As we age, urinary function progressively declines as the bladder shrinks and urinary retention becomes more common.
Excretory system
The document summarizes the human excretory system. It describes the kidneys, which filter waste from the blood and regulate water, acid, and mineral levels. The kidneys are bean-shaped organs located in the abdominal cavity protected by fatty layers. They remove waste through a three-step process of filtration, reabsorption, and urine formation. Urine travels from the kidneys through ureters to the bladder, where it is stored before exiting the body through the urethra. The document also includes diagrams labeling these structures and processes.
Human excretory system
The kidneys, ureters, urinary bladder, and urethra make up the excretory system. The kidneys filter waste from the blood to produce urine. Each kidney contains millions of nephrons, the filtering units of the kidney. Urine travels from the kidneys through the ureters to the urinary bladder, where it is temporarily stored until release through the urethra. Common disorders of the excretory system include kidney stones, infections like cystitis and pyelonephritis, and renal failure.
Muhammad Asif deliver lecture on the human-excretory_system
The kidneys filter waste from the blood to produce urine. They contain nephrons which remove waste and regulate water and electrolyte levels. The kidneys maintain homeostasis by filtering 20% of the blood and reabsorbing useful substances while removing waste in urine. Common kidney disorders include urinary tract infections caused by bacteria, which if untreated can lead to kidney damage, and kidney stones formed from mineral deposits that can cause pain and require medical intervention.
The excretory system
The excretory system removes waste from the body through various organs. It maintains homeostasis by filtering out metabolic waste like carbon dioxide, urea, and salts through the lungs, liver, skin, and urinary system. The kidneys filter blood to form urine via nephrons. Urine is transported by the ureters to the bladder and then exits through the urethra. Common diseases include kidney stones, urinary tract infections, athlete's foot, and bladder cancer.
Excretory system
The kidneys and urinary system remove waste from the body through urine. The kidneys contain over a million nephrons that filter blood to form urine. Urine regulates water, salt, and pH levels in the blood. It contains nitrogenous wastes like urea and ammonia, produced when proteins breakdown. The urine is transported from the kidneys to the bladder via ureters, stored in the bladder, and exited through the urethra.
Avian excretory system
1 . EXCRETION
Waste product removal e.g. nitrogenous – uric acid (mammals urea , fish ammonia)
Kidneys – secrete uric acid (product of protein metabolism)
Gastro-intestinal tract secretions e.g. bile
No sweat glands
Salt glands (water birds)
Water loss – lungs
2. URINARY SYSTEM
• Major organs are the kidneys, the ureter and the cloaca.
• No urinary bladder in bird.
3 . ANATOMICAL STRUCTURE OF KIDNEY
Avian kidneys are paired fitted closely the bony depression on the dorsal wall of the pelvis . Each kidney is divided into three lobes.
4 .
5 . NEPHRON
Two kinds of nephrons.
1. Reptilian nephron
2. Mammalian nephron
• 6 .
• 7. DIFFERENCE BETWEEN AVIAN AND MAMMALIAN KIDNEY
8. RENAL PORTAL SYSTEM
Uric acid is formed in the liver as well as the kidneys of the birds from ammonia, which is the most toxic protein metabolic by product .
9. GLOMERULAR FILTRATION
Fluid pressure forces water and dissolved substances from glomerular blood to Bowman’s capsule .
Filtration averages 125 ml/min form two kidneys.
10 . TUBULAR REABSORPTION
Return of the useful substances from the filtrate to the blood capillaries or interstitial fluid.
11 . COUNTER CURRENT MECHANISM
This mechanism works in the loop of henle to increase water reabsorbed from the descending limb as a result of salt reabsorbed from the ascending limb .
12 . POST RENAL URINE MODIFICATION
After the presentation of urine to cloaca their might be retrograde flow or backward flow of urine into the colon.
In the colon reabsorption of excessive amount of water as well as sodium ion takes place.
13 . HORMONES RESPONSIBLE FOR URINE FORMATION
Arginine vasotocin ,Angiotensin ׀׀ ,Aldosterone ,ANP (arterial natriuretic peptide)
Aldosterone is responsible for the reabsorption of sodium and excretion of potassium in the filtrate.
Excretory System
The excretory system, mainly the urinary system, works to eliminate waste from the body through urine. The hypothalamus monitors fluid levels and sends hormones to regulate fluid balance by controlling how much water the kidneys return to the bloodstream or remove as urine. The kidneys filter blood, reabsorbing useful nutrients while collecting waste in urine. Urine travels from the kidneys through ureters to the bladder and is then expelled through the urethra. Diseases can occur if the kidneys fail to remove waste or if infections block the urinary tract.
Human Excretory System (lungs, kidney)
The lungs in the respiratory system excrete some waste products, such as carbon dioxide and water.
The skin is another excretory organ that rids the body of wastes through the sweat glands.
The liver (via the intestines) excretes bile pigments that result from the destruction of hemoglobin. It also converts nitrogenous waste from the break down of proteins into urea.
The major task of excretion still belongs to the kidneys, the major organ in the urinary system. If it fails the other organs cannot take over and compensate adequately.
Functions in ExcretionForms UreaChanges toxic wastes (ammonia – from break down of amino acids) to Urea.Urea Blood KidneysFiltered out & excreted in Urine
Lesson plan in biology
The lesson plan aims to teach students about the digestive system. It includes objectives, subject matter, and procedures. The procedures involve motivating students with a puzzle activity about the digestive system. The teacher will then present and discuss the key parts and functions, including digestion and absorption in the mouth, esophagus, stomach, small intestine, large intestine, and excretion. Students will work in groups to trace the food flow and discuss the importance. They will identify organs on a chart and answer evaluation questions to assess learning. For homework, students will research digestive disorders.
Functioning Organisms - 05 The Excretory System
The excretory system is responsible for processing and eliminating metabolic waste from the body. Carbon dioxide is removed through exhalation via the lungs. The kidneys filter blood in the nephrons, removing urea and salts to produce urine, which is stored in the bladder and then excreted. Other organs such as the skin, liver, and intestines also play roles in excretion, with the skin releasing wastes in sweat and the liver breaking down toxins and urea. Together, these organs comprise the excretory system and ensure harmful metabolic byproducts are continuously removed from the body.
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The document describes the key parts and functions of the urinary system. It identifies the kidneys, ureters, bladder, and urethra as parts of the urinary system. The kidneys filter blood to remove waste and regulate fluid balance. They contain millions of nephrons that filter blood, reabsorb useful substances, and produce urine for excretion. For patients with kidney failure, dialysis can perform the kidneys' functions by filtering waste from the blood using a dialysis machine.
Excretory System - Renal system_ST.ppt
The document summarizes the major excretory systems of the human body. It focuses on the urinary system including the kidneys, ureters, and bladder which filter waste from the blood and produce urine for excretion. The kidneys remove metabolic waste products and regulate water, electrolyte, and acid-base balance. Urine travels from the kidneys through the ureters to the bladder for storage until release. The skin is also involved in excretion through sweat glands that help regulate body temperature and remove salts and water.
Excretory system grade 10 life sciences
The excretory system removes waste from the body through various organs. The kidneys filter waste from the blood and produce urine, which is then stored in the bladder and released through the urethra. Other organs such as the skin, lungs, and liver also play roles in excretion. Problems can occur if waste is not properly removed from the body by the excretory system, including urinary tract infections and kidney stones. Keeping well hydrated and maintaining a healthy lifestyle supports the functioning of the excretory system.
Urinary system
1. The document discusses the avian kidney and its role in filtering blood and removing waste from the body. It focuses on the unique features of avian kidneys compared to mammalian kidneys.
2. Key points include that birds excrete uric acid rather than urea as their nitrogenous waste, and their kidneys contain both reptilian and mammalian nephrons.
3. The avian kidney filters blood via ultrafiltration in the glomerulus and reabsorbs useful materials like water, electrolytes, and nutrients through the tubules while excreting waste like uric acid.
Excretory system presentation
The urinary system filters waste from the blood in the kidneys, which contain nephrons that act as tiny filters. The kidneys remove waste through the ureters into the urinary bladder, where urine is stored until expelled through the urethra. Each kidney contains approximately one million nephrons that filter wastes like urea and salt from the blood into collecting tubes and eventually the bladder.
Excretory system
The excretory system collects and eliminates waste from the body through various organs including the kidneys, ureters, bladder and urethra. The kidneys filter waste from the blood to produce urine, which is stored in the bladder and then passed out of the body through the urethra. The excretory system works to maintain homeostasis by regulating fluid levels and removing toxins.
The human urinary system
The urinary system consists of the kidneys, ureters, bladder, and urethra. The kidneys filter waste from the blood and regulate electrolyte and acid-base balance. The ureters are tubes that propel urine from the kidneys to the bladder, which collects and stores urine before it exits the body through the urethra. Each kidney contains millions of nephrons, the functional units that filter the blood and produce urine.
Excretory system
The urinary system works to remove waste from the blood and regulate fluid levels in the body. The kidneys filter blood and remove wastes, excess water, salts, and other substances, forming urine. The hypothalamus monitors fluid levels in the blood and signals the kidneys to adjust urine production accordingly. The main organs of the urinary system are the two kidneys, each containing around a million nephrons that filter the blood. Diseases can occur if wastes are not properly removed from the body.
The urinary system
The urinary system consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys filter the blood and produce urine by removing waste and regulating fluid and electrolyte levels. The urine passes from the kidneys to the bladder through the ureters. The bladder stores urine until emptying through the urethra. The functional unit of the kidney is the nephron, which filters blood to form urine through glomerular filtration, reabsorption, and secretion. Together, these components work to maintain homeostasis by regulating fluid balance and removing waste from the body.
Excretory System
The excretory system regulates homeostasis by removing metabolic, liquid, and gaseous waste from the body. The kidneys filter blood and produce urine by removing wastes and excess water. Urine contains urea, uric acid, ammonia, hormones, dead blood cells, proteins, salts, and toxins. The kidneys filter blood through nephrons, which collect the filtrate and modify it into urine by selectively reabsorbing necessary substances and secreting others. Urine is stored in the bladder and expelled through the urethra.
Excretory System Function
The excretory system helps maintain homeostasis by removing metabolic wastes from the body. The skin, lungs, liver, and kidneys are all organs of excretion. The kidneys specifically remove waste products from the blood and regulate water content and pH levels through nephrons and the formation of urine, which is then expelled from the body.
Urinary dent
The urinary system functions to eliminate waste from the body and regulate water balance and electrolyte levels. It consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys contain millions of nephrons, which are the functional filtering units that form urine by selectively reabsorbing useful substances while filtering out waste. Urine is transported from the kidneys to the bladder via the ureters. The bladder stores urine until voiding through the urethra. As we age, urinary function progressively declines as the bladder shrinks and urinary retention becomes more common.
Excretory system
The document summarizes the human excretory system. It describes the kidneys, which filter waste from the blood and regulate water, acid, and mineral levels. The kidneys are bean-shaped organs located in the abdominal cavity protected by fatty layers. They remove waste through a three-step process of filtration, reabsorption, and urine formation. Urine travels from the kidneys through ureters to the bladder, where it is stored before exiting the body through the urethra. The document also includes diagrams labeling these structures and processes.
Human excretory system
The kidneys, ureters, urinary bladder, and urethra make up the excretory system. The kidneys filter waste from the blood to produce urine. Each kidney contains millions of nephrons, the filtering units of the kidney. Urine travels from the kidneys through the ureters to the urinary bladder, where it is temporarily stored until release through the urethra. Common disorders of the excretory system include kidney stones, infections like cystitis and pyelonephritis, and renal failure.
Muhammad Asif deliver lecture on the human-excretory_system
The kidneys filter waste from the blood to produce urine. They contain nephrons which remove waste and regulate water and electrolyte levels. The kidneys maintain homeostasis by filtering 20% of the blood and reabsorbing useful substances while removing waste in urine. Common kidney disorders include urinary tract infections caused by bacteria, which if untreated can lead to kidney damage, and kidney stones formed from mineral deposits that can cause pain and require medical intervention.
The excretory system
The excretory system removes waste from the body through various organs. It maintains homeostasis by filtering out metabolic waste like carbon dioxide, urea, and salts through the lungs, liver, skin, and urinary system. The kidneys filter blood to form urine via nephrons. Urine is transported by the ureters to the bladder and then exits through the urethra. Common diseases include kidney stones, urinary tract infections, athlete's foot, and bladder cancer.
Excretory system
The kidneys and urinary system remove waste from the body through urine. The kidneys contain over a million nephrons that filter blood to form urine. Urine regulates water, salt, and pH levels in the blood. It contains nitrogenous wastes like urea and ammonia, produced when proteins breakdown. The urine is transported from the kidneys to the bladder via ureters, stored in the bladder, and exited through the urethra.
Avian excretory system
1 . EXCRETION
Waste product removal e.g. nitrogenous – uric acid (mammals urea , fish ammonia)
Kidneys – secrete uric acid (product of protein metabolism)
Gastro-intestinal tract secretions e.g. bile
No sweat glands
Salt glands (water birds)
Water loss – lungs
2. URINARY SYSTEM
• Major organs are the kidneys, the ureter and the cloaca.
• No urinary bladder in bird.
3 . ANATOMICAL STRUCTURE OF KIDNEY
Avian kidneys are paired fitted closely the bony depression on the dorsal wall of the pelvis . Each kidney is divided into three lobes.
4 .
5 . NEPHRON
Two kinds of nephrons.
1. Reptilian nephron
2. Mammalian nephron
• 6 .
• 7. DIFFERENCE BETWEEN AVIAN AND MAMMALIAN KIDNEY
8. RENAL PORTAL SYSTEM
Uric acid is formed in the liver as well as the kidneys of the birds from ammonia, which is the most toxic protein metabolic by product .
9. GLOMERULAR FILTRATION
Fluid pressure forces water and dissolved substances from glomerular blood to Bowman’s capsule .
Filtration averages 125 ml/min form two kidneys.
10 . TUBULAR REABSORPTION
Return of the useful substances from the filtrate to the blood capillaries or interstitial fluid.
11 . COUNTER CURRENT MECHANISM
This mechanism works in the loop of henle to increase water reabsorbed from the descending limb as a result of salt reabsorbed from the ascending limb .
12 . POST RENAL URINE MODIFICATION
After the presentation of urine to cloaca their might be retrograde flow or backward flow of urine into the colon.
In the colon reabsorption of excessive amount of water as well as sodium ion takes place.
13 . HORMONES RESPONSIBLE FOR URINE FORMATION
Arginine vasotocin ,Angiotensin ׀׀ ,Aldosterone ,ANP (arterial natriuretic peptide)
Aldosterone is responsible for the reabsorption of sodium and excretion of potassium in the filtrate.
Excretory System
The excretory system, mainly the urinary system, works to eliminate waste from the body through urine. The hypothalamus monitors fluid levels and sends hormones to regulate fluid balance by controlling how much water the kidneys return to the bloodstream or remove as urine. The kidneys filter blood, reabsorbing useful nutrients while collecting waste in urine. Urine travels from the kidneys through ureters to the bladder and is then expelled through the urethra. Diseases can occur if the kidneys fail to remove waste or if infections block the urinary tract.
Human Excretory System (lungs, kidney)
The lungs in the respiratory system excrete some waste products, such as carbon dioxide and water.
The skin is another excretory organ that rids the body of wastes through the sweat glands.
The liver (via the intestines) excretes bile pigments that result from the destruction of hemoglobin. It also converts nitrogenous waste from the break down of proteins into urea.
The major task of excretion still belongs to the kidneys, the major organ in the urinary system. If it fails the other organs cannot take over and compensate adequately.
Functions in ExcretionForms UreaChanges toxic wastes (ammonia – from break down of amino acids) to Urea.Urea Blood KidneysFiltered out & excreted in Urine
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Muhammad Asif deliver lecture on the human-excretory_system
Muhammad Asif deliver lecture on the human-excretory_system
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Lesson plan in biology
The lesson plan aims to teach students about the digestive system. It includes objectives, subject matter, and procedures. The procedures involve motivating students with a puzzle activity about the digestive system. The teacher will then present and discuss the key parts and functions, including digestion and absorption in the mouth, esophagus, stomach, small intestine, large intestine, and excretion. Students will work in groups to trace the food flow and discuss the importance. They will identify organs on a chart and answer evaluation questions to assess learning. For homework, students will research digestive disorders.
Functioning Organisms - 05 The Excretory System
The excretory system is responsible for processing and eliminating metabolic waste from the body. Carbon dioxide is removed through exhalation via the lungs. The kidneys filter blood in the nephrons, removing urea and salts to produce urine, which is stored in the bladder and then excreted. Other organs such as the skin, liver, and intestines also play roles in excretion, with the skin releasing wastes in sweat and the liver breaking down toxins and urea. Together, these organs comprise the excretory system and ensure harmful metabolic byproducts are continuously removed from the body.
Urinary and Excretory system
The document discusses the human excretory system. It describes the key organs that make up the excretory system, including the liver, lungs, large intestine, skin, and urinary system. It focuses on the structures and functions of the urinary system, including the kidneys, ureters, urinary bladder, and urethra. The kidneys filter waste from the bloodstream and regulate fluid and electrolyte balance. Urine is formed in microscopic filtration units called nephrons and is transported through the ureters to the bladder for storage and eventual excretion through the urethra.
Objectives Of Lesson Plan Urinary System
The document provides a detailed lesson plan for teaching students about the urinary system and excretion. The objectives are to identify urinary system structures and functions, trace the urine production process, and describe urinary disorders and treatments. The lesson plan outlines procedures, activities, and evaluation questions. It includes labeling diagrams of the urinary system and discussing related topics like homeostasis, dialysis, kidney transplantation, and urinary disorders. The goal is for students to understand urine production and kidney function, as well as ways to prevent kidney diseases.
Urinary system disorders.pptx1
The document provides an overview of the urinary system and disorders that can affect it. It discusses the anatomy and physiology of the kidneys and nephrons. Some key urinary disorders summarized include:
1. Urinary tract infections (UTIs), which are common in women and caused by bacteria entering the urinary tract. Symptoms can include painful urination.
2. Kidney stones, solid mineral deposits that can block the urinary tract. Treatment includes shockwave lithotripsy to break up stones.
3. Benign prostatic hyperplasia (BPH), a non-cancerous enlargement of the prostate common in aging men that causes urinary problems. Treatments include medications
genitourinary disorders (medical surgical nursing)
The document discusses the anatomy and physiology of the genitourinary system including the kidneys, ureters, bladder and urethra. It covers nursing assessment through patient history and physical examination, focusing on the abdomen, genitalia, and signs of urinary issues. Specific conditions covered include urological obstructions like urethral strictures, renal calculi, and nephrosis.
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genitourinary disorders (medical surgical nursing)
genitourinary disorders (medical surgical nursing)
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702 kidney
The urinary system filters wastes from the blood and regulates fluid balance through the kidneys and urine production. The kidneys contain nephrons which filter blood to form urine and regulate electrolyte and acid-base balance. Urine passes from the kidneys through ureters to the bladder and is eliminated through the urethra. Precise control of filtration, reabsorption and secretion allows the kidneys to regulate fluid balance and remove nitrogenous and other wastes from the body.
Urinary system
The urinary system consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys contain millions of nephrons, which are the functional filtering units. Each nephron contains a renal corpuscle with glomerulus and Bowman's capsule, where blood is filtered, and a renal tubule with various segments that modify the filtrate and produce urine. The ureters carry urine from the kidneys to the bladder. The bladder stores urine until urination, when urine exits the body through the urethra. The urinary system removes wastes and regulates fluid and electrolyte balance.
Chapter 15 the uirnary system
The urinary system filters waste and regulates homeostasis through the kidneys, ureters, bladder, and urethra. The kidneys contain nephrons which filter blood in the glomerulus and reabsorb water and ions while secreting wastes like urea through tubules. Precise regulation of reabsorption and secretion allows the production of hypertonic urine while maintaining electrolyte and pH balance.
Renal structure and function
The kidneys are paired organs located retroperitoneally that are responsible for filtering blood and regulating homeostasis. Each kidney contains millions of nephrons, the functional units that filter blood to form urine via glomerular filtration. Urine passes from the nephrons through the renal medulla and pelvis into the ureters. Hormones and pressure differences influence filtration and reabsorption of water and solutes along the nephron tubules to produce concentrated urine. Urinalysis can detect abnormalities in kidney function by measuring properties like pH, specific gravity, and microscopic constituents. Blood tests also evaluate renal function by analyzing creatinine, BUN, and clearance rates.
The urinary system
The urinary system filters waste and regulates water balance. The kidneys contain nephrons which are the functional units. Nephrons contain a glomerulus for blood filtration and renal tubules for reabsorption and secretion. Filtration in the glomerulus forms an ultrafiltrate which is then modified by tubular processes to form urine. Tubular reabsorption recovers necessary molecules while secretion adds waste. Together filtration, reabsorption and secretion by nephrons precisely regulate urine composition to maintain water, electrolyte and acid-base balance in the blood.
Anatomy by Dr. Maqbool Jabbar.pptx
This document provides information about the urinary system and its components. It discusses the kidneys, which filter waste from the blood and produce urine. The urine travels from the kidneys down the ureters into the urinary bladder, where it is temporarily stored until exiting the body through the urethra. The kidneys have several important functions like regulating blood volume and pressure. The document also describes the location of the kidneys, nephrons as the filtering units, and composition of urine.
09 urinary system
The urinary system regulates blood composition and excretes waste through the kidneys, ureters, bladder and urethra. The kidneys filter blood to form urine and regulate electrolyte and fluid levels. Urine passes from the kidneys through the ureters to the bladder, where it is temporarily stored until urination. During urination, urine exits the body through the urethra under control of sphincter muscles. The urinary system helps maintain homeostasis by regulating water balance and removing toxins and wastes from the bloodstream.
Renal
Here are the key points indicated by each test result:
- Severe proteinuria indicates kidney damage allowing protein to pass into the urine.
- Casts with red blood cells suggest kidney inflammation or damage.
- Low specific gravity suggests decreased kidney concentration ability.
- Serum creatinine of 6 mg/dL indicates severe loss of kidney function (around 20% function).
- BUN of 35 mg/dL and creatinine of 1.2 mg/dL could indicate prerenal azotemia from decreased kidney perfusion rather than intrinsic kidney disease.
Renal Lectures
The document discusses the physiology of the kidney. It provides an overview of renal functions such as regulating water, electrolyte and acid-base balance, and excreting waste products. It describes the structure of the kidney including nephrons, glomeruli and tubules. It discusses glomerular filtration, the processes of filtration, reabsorption and secretion, and how clearance is used to measure glomerular filtration rate and renal blood flow.
Renal revised
Here are the key points indicated by each test result:
- Severe proteinuria indicates kidney damage allowing protein to pass into the urine.
- Casts with red blood cells suggest kidney inflammation or damage.
- Low specific gravity suggests decreased kidney concentration ability.
- Serum creatinine of 6 mg/dL indicates severe loss of kidney function (around 20% function).
- BUN of 35 mg/dL and creatinine of 1.2 mg/dL could indicate prerenal azotemia from decreased kidney perfusion rather than intrinsic kidney disease.
12. urinary system
The urinary system consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys filter waste from the blood to form urine. Each kidney contains over 1 million nephrons, the basic functional units that filter blood and form urine. Urine travels from the kidneys through the ureters to the urinary bladder, where it is stored until micturition. During micturition, muscles contract to expel urine through the urethra and out of the body. Precise regulation of urine production, composition, and excretion helps maintain fluid and electrolyte balance in the body.
URINARY SYSTEM.ppt
The urinary system consists of the kidneys, ureters, bladder, and urethra. The kidneys contain over 1 million nephrons, the functional units that filter blood to form urine. Each nephron contains a renal corpuscle for blood filtration and a renal tubule for reabsorption and secretion. Urine drains from the nephrons into the renal pelvis and exits through the ureters into the bladder, then through the urethra. The kidneys regulate fluid and electrolyte balance and blood pressure through glomerular filtration, tubular reabsorption and secretion, and neural and hormonal controls of the filtration rate.
Anatomy and Physiology of the Kidney.ppt
The kidney has an outer cortex and inner medulla. Nephrons in the cortex filter blood to form urine via glomerular filtration. The filtration rate is tightly regulated to maintain fluid and electrolyte balance. Most of the filtrate is reabsorbed in the proximal tubule and peritubular capillaries, with only 1-2L of urine excreted daily. Urine passes from the kidneys through the ureters to the bladder, then exits via micturition under voluntary and involuntary control.
Week 13, Urinary system, student version.pptx
This presentation is prepared for Medical students. Presentation is about the whole urinary system. It helps students to reach the knowledge about Urinary System, because in presentation giving the main information about urinary system.
Renal structure and function physiology
The kidneys are paired organs located retroperitoneally that are responsible for filtering blood and regulating fluid and electrolyte balance. The kidneys contain nephrons, which are the functional filtering units. Blood enters nephrons via the glomerulus and is filtered, and the filtrate undergoes reabsorption and secretion as it passes through the renal tubules. Urine is formed and collects in the renal pelvis before exiting through the ureters. Kidney function can be assessed through urinalysis and measurements of substances such as creatinine, BUN, and inulin clearance.
Kidney anatomy, physiology and disorders
The kidneys are essential excretory organs that filter waste from the blood to produce urine. The kidneys contain over 1 million tiny filtering units called nephrons. Blood enters nephrons via the glomerulus and is filtered, then most water and nutrients are reabsorbed. The loop of Henle and countercurrent mechanism allow concentration of urine. Hormones regulate water and electrolyte balance. The kidneys maintain acid-base balance and blood pressure while filtering wastes and drugs for excretion. Kidney disorders occur if filtration, reabsorption or other functions are disrupted.
Chapter 44:Homeostasis
The document discusses homeostasis and the role of the urinary system in regulating water balance and acid-base balance. It defines key terms like osmoregulation and describes different mechanisms of waste excretion. It then details the structure and function of the nephron, including glomerular filtration, reabsorption, and concentration of urine in regulating solutes and water. Finally, it explains how the kidneys control pH through buffering and excretion of excess acids or bases to maintain acid-base balance.
Renal system bundle.pdf
The document provides information about the renal (urinary) system. It describes the anatomy and functions of the kidneys, nephrons, and other structures involved in urine formation and excretion. It discusses urine production and the role of the kidneys in maintaining fluid, electrolyte, and acid-base balance. Common kidney problems like urinary tract infections and glomerulonephritis are also summarized.
Urinary system
The urinary system consists of the kidneys, ureters, bladder, and urethra, and it is responsible for filtering the blood and eliminating waste from the body in the form of urine. The kidneys contain millions of nephrons that filter blood to remove waste and regulate water and electrolyte levels. Urine is transported from the kidneys to the bladder via the ureters and is then excreted through the urethra. Diseases can impact kidney function and sometimes require dialysis or transplantation.
Lesson-1-Urinary-and-Reproductive-Systems.pdf
The document discusses anatomy and physiology of the urinary and reproductive systems. It begins with an introduction to the 8 secrets of life, including balance, homeostasis, pollution dilution, and resource recycling. It then covers topics like kidney anatomy, nephron structure and function, urine production, clinical diseases, and a review of the reproductive system. The goal is to provide an overview of the key anatomical structures and physiological processes of the urinary and reproductive systems.
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Excretory system
- 1. THE EXCRETORY SYSTEM Controlling the Internal Environment
- 2. Gross Anatomy of System • Pair of kidneys – Retroperitoneal • Pair of ureters • Urinary bladder • Urethra
- 4. Location of Kidneys Retroperitoneal
- 6. The Kidney Pyramid Papilla Cortex Medulla Hilum Column Calyx Pelvis Ureter
- 7. Functions of Excretory System • Regulate body fluids – Volume, pH, composition • Remove metabolic wastes from blood • Control rate of RBC formation • Regulate blood pressure • Regulate absorption of calcium
- 8. Nephron PCT Bowman’s DCT capsule Vasa recti Glomerulus Ascending Descending tubule Tubule Collecting duct
- 9. The Blood Supply to the Kidney
- 10. Renal Corpuscle
- 11. Renal Corpuscle
- 12. Podocyte and the Filtration Process
- 13. Renal Corpuscle
- 14. Function of Renal Corpuscle • Bowman’s capsule • Glomerulus – Filtration of blood • Water • Electrolytes • Glucose • Urea
- 15. Filtration Slits
- 16. Nephron
- 17. Tubules Proximal Tubule Distal Tubule
- 18. Function of Tubules • Reabsorption of glucose – Proximal convoluted tubule • Reabsorption of water – PCT, descending tubule, collecting duct • Reabsorption of salts – PCT, ascending tubule, distal con. tub. • Reabsorption of urea – PCT, collecting duct
- 19. Collecting Ducts Cuboidal Epithelium lining ducts
- 20. Nepron with Vasa Recta
- 21. Function of Tubules • Reabsorption of glucose – Proximal convoluted tubule • Reabsorption of water – PCT, descending tubule, collecting duct • Reabsorption of salts – PCT, ascending tubule, distal con. tub. • Reabsorption of urea – PCT, collecting duct