Excretion ppt
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The human excretory system includes the kidneys, ureters, urinary bladder, and urethra. The kidneys filter waste from the blood to produce urine, which passes through the ureters into the bladder. The bladder stores urine until it is released through the urethra. Plants excrete excess water and oxygen through transpiration and stomata, and store many wastes in leaves, vacuoles, resins, or dead tissues.
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Excretion Ppt
Excretion is the process of removing cellular wastes from the body. The main waste products excreted are carbon dioxide, nitrogen compounds, and salts. Nitrogen wastes like ammonia are toxic and must be removed; different organisms excrete nitrogen in the forms of ammonia, urea, or uric acid depending on their environment. In humans, the kidneys filter wastes like urea and salts from the blood and excrete them in urine through the urinary system.
Human respiration
Human respiration involves two main processes: [1] External respiration which is the exchange of gases between the lungs and blood, and [2] Internal respiration which is the exchange of gases between blood and tissues at the cellular level. The ultimate goal of respiration is to release energy through cellular respiration in which oxygen is used to oxidize nutrients to produce carbon dioxide, water, and ATP as energy is stored.
Excretion in humans
1. Urea is produced in the liver from excess amino acids and is removed from the blood by the kidneys and excreted in urine. Carbon dioxide is produced during respiration and is removed from the body through exhalation in the lungs.
2. Egestion refers to the removal of undigested food from the body, while excretion is the removal of waste products from metabolic processes.
3. During deamination, amino acids are broken down in the liver into components, one of which is converted to urea while the other combines with carbon dioxide to form urea.
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A powerpoint on the Human Excretory System, intended for the SA Grade 11 Life Sciences Syllabus. Includes information on kidneys, osmoregulation, nephrons, excretion, etc. Hope it helps :)
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Life of every organism depends on certain basic processes. Excretion is one among them. Different organisms follow different modes of excretion. In complex organisms including humans, there is a specialized system for excretion called human excretory system.
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There are two transport systems in plants - xylem and phloem. Xylem transports water and minerals from the roots throughout the plant. Phloem transports sugars and amino acids made in the leaves throughout the plant. Xylem vessels are long, hollow tubes reinforced with lignin that carry water upwards. Phloem vessels are living cells that transport sucrose and amino acids from where they are made to where they are used or stored. Transpiration is the loss of water vapor through stomata in the leaves, and can be measured using a potometer. The rate of transpiration is affected by environmental conditions like temperature, wind, humidity, and light levels.
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Chapter 10 of Science of class 1th, Very nice animated and the best powerpoint for the children, it made by me; Abhishek Bhartee, not downloaded from any other website.
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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.
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Excretion Ppt
Excretion is the process of removing cellular wastes from the body. The main waste products excreted are carbon dioxide, nitrogen compounds, and salts. Nitrogen wastes like ammonia are toxic and must be removed; different organisms excrete nitrogen in the forms of ammonia, urea, or uric acid depending on their environment. In humans, the kidneys filter wastes like urea and salts from the blood and excrete them in urine through the urinary system.
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Human respiration involves two main processes: [1] External respiration which is the exchange of gases between the lungs and blood, and [2] Internal respiration which is the exchange of gases between blood and tissues at the cellular level. The ultimate goal of respiration is to release energy through cellular respiration in which oxygen is used to oxidize nutrients to produce carbon dioxide, water, and ATP as energy is stored.
Excretion in humans
1. Urea is produced in the liver from excess amino acids and is removed from the blood by the kidneys and excreted in urine. Carbon dioxide is produced during respiration and is removed from the body through exhalation in the lungs.
2. Egestion refers to the removal of undigested food from the body, while excretion is the removal of waste products from metabolic processes.
3. During deamination, amino acids are broken down in the liver into components, one of which is converted to urea while the other combines with carbon dioxide to form urea.
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A powerpoint on the Human Excretory System, intended for the SA Grade 11 Life Sciences Syllabus. Includes information on kidneys, osmoregulation, nephrons, excretion, etc. Hope it helps :)
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Life of every organism depends on certain basic processes. Excretion is one among them. Different organisms follow different modes of excretion. In complex organisms including humans, there is a specialized system for excretion called human excretory system.
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Email: parmarshivam105@gmail.com
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I have expertise in making educational and other PPTs. Email me for more PPTs at a very reasonable price that perfectly fits in your budget.
Email: parmarshivam105@gmail.com
Chapter - 10, Respiration in Organisms, Science, Class 7
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URINARY SYSTEM
URINARY SYSTEMSURESH BABU EMANDI DEPARTMENT OF PHARMACOGNOSY Vikas Institute of Pharmaceutical scienes
IT IS USEFULL FOR THE DIPLOMA INPHARMACY STUDENTS AND ALSO USED FOR THE B.PHARM AND DOCTORS OF PHARMACY STUDENTSLife processes notes
All living things perform life processes like growth, respiration, excretion and circulation to maintain themselves. There are two main types of nutrition - autotrophic and heterotrophic. Autotrophs like plants perform photosynthesis to produce their own food, using carbon dioxide, water and sunlight. Heterotrophs obtain food externally. Transportation of oxygen, nutrients and wastes is essential and occurs through the circulatory system in humans and xylem and phloem in plants. The excretory system removes nitrogenous wastes from the body through the kidneys, ureters, urinary bladder and urethra. Urine is formed in the nephrons of the kidneys by a process of filtration,
Life process
The document discusses various life processes including nutrition, respiration, and the human digestive and respiratory systems. It provides details on:
- The two main types of nutrition - autotrophic (photosynthesis in plants) and heterotrophic (absorbing nutrients from other organisms or dead matter).
- The human digestive system breaks down food, with mechanical and chemical digestion occurring in the mouth, stomach, and small intestine before absorption in the small intestine.
- Respiration uses oxygen and releases energy from food, occurring aerobically with oxygen or anaerobically without oxygen. Aerobic respiration occurs in mitochondria and provides significantly more energy.
- The human respiratory system uses the nose, pharynx, larynx, trache
Urinary system
The document provides information about the urinary system and kidney anatomy and physiology. It discusses:
1. The main components of the urinary system including the kidneys, ureters, bladder, and urethra.
2. The functional anatomy of the kidney including its layers, parenchyma, nephrons, and renal corpuscles.
3. The key functions of the kidneys which include homeostasis, regulation of blood pressure, and production of hormones.
Anatomy and physiology (urinary system)
At the end of this lesson, you should be able to:
i. component organs of the urinary system;
ii. describe the structure of the kidneys;
iii. describe the structure of the ureters;
iv. describe the structure of the urinary bladder;
v. describe the structure of the urethra; and
vi. explain the formation of urine and it's composition
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The hypothalamus produces both releasing and inhibiting hormones that regulate the pituitary gland. Releasing hormones stimulate pituitary hormone secretion while inhibiting hormones inhibit secretion. For example, GnRH stimulates gonadotropin release from the pituitary while somatostatin inhibits growth hormone release. The pituitary gland is divided into the adenohypophysis and neurohypophysis. The adenohypophysis secretes TSH, ACTH, LH, FSH, GH, prolactin and MSH which regulate other endocrine glands. The neurohypophysis stores and releases oxytocin and vasopressin from the hypothalamus.
21.Neural Control and Coordination
The document discusses the structure and function of the human neural and sensory systems. It describes the central nervous system including the brain, spinal cord, and peripheral nervous system. It explains the divisions of the brain including the forebrain, midbrain, and hindbrain. It also discusses the autonomic nervous system and its sympathetic and parasympathetic divisions. Additionally, it summarizes the structure and function of the eye and ear as sensory organs.
18. Body Fluids and Circulation
The document summarizes the circulatory system and heart function. It discusses how the circulatory system transports digested food throughout the body using blood pumped by the heart. The heart is the organ that pumps blood through the circulatory system. It describes the cardiac cycle which involves atrial systole, ventricular systole, and joint diastole. It also discusses the pacemaker region that initiates heart contractions, conducting pathways of the heartbeat, and average heart rates at rest for infants, children, and adults.
17. Breathing and Exchange of Gases
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2) While respiration involves substrate breakdown, and was traditionally viewed as catabolic, the respiratory pathway is actually involved in both catabolism and anabolism. Intermediates from the pathway are withdrawn for biosynthesis of substrates like fatty acids.
3) Therefore, the respiratory pathway is more accurately considered an amphibolic pathway involved in both breakdown and synthesis, rather than solely a catabolic one.
11. Transport in Plants
1. Multicellular plants need transport systems to move water, minerals, and sugars throughout their large structures since single cells rely on diffusion.
2. Xylem tissue transports water and minerals up from the roots through the stem and into leaves. Phloem tissue transports sugars made in leaves to other plant parts.
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8. Cell: The Unit of Life
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Excretion ppt
- 2. The biological process involved in the removal of the harmful nitrogenous materials is called Excretion Many unicellular organisms remove these waste by simple diffusion Multicellular organisms need specialized organs to perform this function
- 3. Excretion in human beings • The excretory system includes • 1. A pair of Kidneys • 2. A pair of Ureter • 3. Urinary bladder • 4. Urethra
- 4. Urinary System Renal artery Kidney Ureter Urinary Bladder Renal Vein For sphincters, see next slide
- 5. Structure of the Excretory system • Kidneys are located in the abdomen on either side of the back bone • Each kidney has many Nephrons • Urine which is produced in the kidneys passes through the ureters into the urinary bladder • It is stored in the bladder until it is released through the Urethra
- 6. Structure of the Nephron • It has 3 parts • 1. Renal capsule • 2. Renal tubule • 3. Collecting duct
- 8. RENAL CAPSULE • It has • 1. Bowmans capsule • 2. Glomerulus • Bowmans capsule is the cup shaped end of the nephron that collects the filtered urine • Glomerulus is a cluster of very thin walled capalliries • Glomerulus is associated with the Bowmans capsule
- 9. Renal tubule • It has three parts • 1. Proximal convoluted tubule • 2. Henleys loop • 3. Distal convoluted tubule
- 10. Process of urine formation
- 12. Factors on which amount of water reabsorption depends • 1. How much excess water there is in the body • 2. How much dissolved waste there is to be excreted
- 13. Excretion in plants • 1. Plants excrete excess water by transpiration • 2. oxygen which is thought to be waste product generated during the photosynthesis comes out through the stomata • 3. Waste products may be stored in leaves that fall off • 4. Many plant waste products are stored in vacuoles they excrete some waste products into the soil around them • 5. Some waste products are stored as resins & gums in old xylem • 6. Most of the waste products are stored within the dead tissues which are removed periodically