The scientific side of fear and anxiety
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hello everyone another presentation about scientific topic if you see this you'll Dive into the human body and i'll have an idea about how your body react when you're in danger.
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ECGS Module 14
The circulatory and respiratory systems work together to transport oxygen and remove carbon dioxide throughout the body. The heart pumps blood through arteries, veins, and capillaries, ensuring oxygen and nutrients reach every cell. Lungs intake oxygen and expel carbon dioxide through breathing. Smoking damages these systems and increases risks of diseases like cancer, heart disease, and COPD.
High Altitudes2
1) Mt. Everest is the highest point in the world at 29,029 feet. About 1,400 people have climbed it but 179 have died trying.
2) Climbing Everest requires specialized equipment like oxygen masks and 5 layers of protective clothing. Younger and more experienced climbers have higher survival rates.
3) Dangers at high altitudes include avalanches, extreme cold, and low oxygen levels. This can cause illnesses like cerebral edema, pulmonary edema, and the Khumbu cough. Immediate descent is needed to treat many of these conditions.
Powerpoint Presentation by Aswathy AR
The circulatory system transports blood throughout the body via circulation. Blood carries oxygen, nutrients, hormones and waste products as it circulates from the heart through arteries and veins. The human circulatory system uses double circulation, where blood is pumped from the heart to the lungs to become oxygenated, then to tissues throughout the body, and back to the heart. This double circulation allows for gas and nutrient exchange to occur efficiently between the blood and body tissues.
THE HEART PPT
The heart is located slightly left of center in the chest and is about the size of a fist. It pumps blood through arteries and veins called blood vessels throughout the body. The blood carries oxygen, nutrients, and chemicals to tissues and removes waste. Coronary heart disease, cardiovascular disease, and heart failure can occur if the heart does not circulate blood properly. Maintaining a healthy lifestyle through diet and exercise can help prevent heart disease.
Cardiovascular system
The cardiorespiratory system is made up of the circulatory system, heart, blood, and blood vessels. The heart pumps oxygen-rich blood to all parts of the body through the arteries and oxygen-poor blood is returned to the heart through the veins. Gas exchange occurs in the capillaries where oxygen is delivered to cells and carbon dioxide is removed from cells. The circulatory system functions to transport nutrients, oxygen, wastes and more throughout the body.
Lesson3 injuries
The document discusses various types of injuries including muscle cramps caused by overuse or dehydration, muscle strains from overuse or poor form that cause swelling and pain, and sprains from overextending joints that can range from mild to severe ligament tears. It also covers treatments like RICE (rest, ice, compression, and elevation) for minor injuries and immobilization methods like casts, clamps, and screws for fractures. More serious injuries mentioned include dislocations, tendonitis, concussions from blows to the head, and heat-related risks such as heat cramps, heat exhaustion, and heatstroke. Protective equipment is also recommended.
Cardiovascular system- Fernando / Nov 2009
- Cardiovascular system -
What is in blood?
Plasma, blood cells and functions.
Blood vessels: Arteries, veins and capillaries.
Double circulation.
Heart anatomy and heart cycle (diastole and systole)
The Circulatory System
Science - The Circulatory System for Grade 9 kids who are studying the different organ systems in our body.
Recommended
ECGS Module 14
The circulatory and respiratory systems work together to transport oxygen and remove carbon dioxide throughout the body. The heart pumps blood through arteries, veins, and capillaries, ensuring oxygen and nutrients reach every cell. Lungs intake oxygen and expel carbon dioxide through breathing. Smoking damages these systems and increases risks of diseases like cancer, heart disease, and COPD.
High Altitudes2
1) Mt. Everest is the highest point in the world at 29,029 feet. About 1,400 people have climbed it but 179 have died trying.
2) Climbing Everest requires specialized equipment like oxygen masks and 5 layers of protective clothing. Younger and more experienced climbers have higher survival rates.
3) Dangers at high altitudes include avalanches, extreme cold, and low oxygen levels. This can cause illnesses like cerebral edema, pulmonary edema, and the Khumbu cough. Immediate descent is needed to treat many of these conditions.
Powerpoint Presentation by Aswathy AR
The circulatory system transports blood throughout the body via circulation. Blood carries oxygen, nutrients, hormones and waste products as it circulates from the heart through arteries and veins. The human circulatory system uses double circulation, where blood is pumped from the heart to the lungs to become oxygenated, then to tissues throughout the body, and back to the heart. This double circulation allows for gas and nutrient exchange to occur efficiently between the blood and body tissues.
THE HEART PPT
The heart is located slightly left of center in the chest and is about the size of a fist. It pumps blood through arteries and veins called blood vessels throughout the body. The blood carries oxygen, nutrients, and chemicals to tissues and removes waste. Coronary heart disease, cardiovascular disease, and heart failure can occur if the heart does not circulate blood properly. Maintaining a healthy lifestyle through diet and exercise can help prevent heart disease.
Cardiovascular system
The cardiorespiratory system is made up of the circulatory system, heart, blood, and blood vessels. The heart pumps oxygen-rich blood to all parts of the body through the arteries and oxygen-poor blood is returned to the heart through the veins. Gas exchange occurs in the capillaries where oxygen is delivered to cells and carbon dioxide is removed from cells. The circulatory system functions to transport nutrients, oxygen, wastes and more throughout the body.
Lesson3 injuries
The document discusses various types of injuries including muscle cramps caused by overuse or dehydration, muscle strains from overuse or poor form that cause swelling and pain, and sprains from overextending joints that can range from mild to severe ligament tears. It also covers treatments like RICE (rest, ice, compression, and elevation) for minor injuries and immobilization methods like casts, clamps, and screws for fractures. More serious injuries mentioned include dislocations, tendonitis, concussions from blows to the head, and heat-related risks such as heat cramps, heat exhaustion, and heatstroke. Protective equipment is also recommended.
Cardiovascular system- Fernando / Nov 2009
- Cardiovascular system -
What is in blood?
Plasma, blood cells and functions.
Blood vessels: Arteries, veins and capillaries.
Double circulation.
Heart anatomy and heart cycle (diastole and systole)
The Circulatory System
Science - The Circulatory System for Grade 9 kids who are studying the different organ systems in our body.
Cardiovascular System
The cardiovascular system circulates blood throughout the body via the heart and blood vessels. The heart has four chambers and pumps around 4,000 gallons of blood per day through arteries, veins, and capillaries to deliver oxygen and nutrients to cells and remove carbon dioxide and waste. Blood contains plasma, red blood cells to carry oxygen and carbon dioxide, white blood cells to fight infection, and platelets to help clotting.
Death Valley
The document discusses how the human body is affected by extreme heat in Death Valley. It notes that the body can lose large quantities of salt and water due to lack of water and sweating, which can lead to dizziness and nausea. The heart must pump more blood and blood vessels dilate to accommodate increased blood flow in high temperatures. Common experiences in excessive heat include muscle cramps and spasms. Clothing and items are needed to help the body maintain homeostasis in this harsh environment.
Circulatory System
The circulatory system transports nutrients, oxygen, hormones and other materials to cells throughout the body, and carries away waste. It has four major parts - the heart, arteries, capillaries and veins. The respiratory system interacts with the circulatory system to deliver oxygen to cells. Circulatory diseases are common in the US, killing over 2,400 people daily, so it is important to maintain a healthy heart and flexible blood vessels.
The circulatory system
The circulatory system circulates blood throughout the body using blood vessels and the heart. Blood carries oxygen, nutrients, waste and immune cells. The three main parts are the heart, blood vessels and blood. The heart pumps blood into arteries and the blood returns via veins, circulating oxygenated blood and nutrients to tissues and carrying away waste. It has two sides, with deoxygenated blood entering the right side and oxygenated blood leaving via the left side after circulating through the lungs.
04 the human_body
The document provides an overview of the major body systems and some related emergency care considerations. It describes the basic functions and main organs of each system, including: respiratory (lungs, breathing), circulatory (heart, blood vessels, transport oxygen/nutrients), musculoskeletal (bones, muscles, movement/support), nervous (brain, spinal cord, senses/control), integumentary (skin, protection/sensation), gastrointestinal (digestion/nutrient absorption), urinary (kidneys, waste removal), and reproductive (sex organs, reproduction). It notes injuries and illnesses that could threaten system functions like breathing issues, bleeding, fractures, altered mental status, and internal organ damage.
Circulatory system intro
The document summarizes key aspects of the human circulatory system. It explains that the circulatory system has three main components: fluid (blood), blood vessels (arteries, veins, capillaries), and the heart. It transports gases, nutrients, wastes, and hormones. It notes that humans have a double circulatory system with two loops - the pulmonary system and systemic circulatory system. The pulmonary system carries deoxygenated blood to the lungs and oxygenated blood back to the heart, while the systemic system circulates blood to and from the body's tissues and organs.
The human heart power point
The document discusses the heart and lungs. It describes the heart as a muscle located slightly left of center in the chest that pumps blood through the body using four chambers and valves. The lungs are the largest organ and take up most of the chest cavity. They contain millions of air sacks that pass oxygen to the blood and remove carbon dioxide waste through breathing approximately 23,000 times per day. Both organs can be exercised through activities like walking, jogging, biking, and swimming.
Sheep Heart Dissection
The document summarizes the structure and function of the heart and circulatory system. It describes how deoxygenated blood enters the heart through the vena cavae and is pumped into the lungs for oxygenation before entering the left atria. The left ventricle then pumps oxygenated blood out through the aorta to tissues throughout the body. Blood flows through a series of vessels, from arteries to arterioles to capillaries to venules back to veins. The heart's valves and chambers work together to ensure one-way blood flow and prevent backflow.
The circulatory system SSA+S
The document summarizes key aspects of the circulatory system including:
- The major parts of the circulatory system including the heart, veins, and arteries.
- The heart pumps oxygenated blood through the arteries and deoxygenated blood returns through the veins.
- The circulatory system interacts with other body systems to transport materials throughout the body and helps maintain homeostasis, for example by regulating body temperature.
- Some common diseases that can affect the circulatory system are discussed like heart attacks, aneurysms, and leukemia. Blood clotting and common questions are also addressed.
Circulation powerpoint
There are two main types of circulatory systems - open and closed. In an open system, found in invertebrates like mollusks and arthropods, blood is pumped into body cavities and diffuses between cells. A closed system, present in vertebrates and some invertebrates, keeps blood enclosed in vessels at all times. Hearts vary in structure from simple contractile blood vessels in insects to four-chambered organs in mammals. Crayfish have a single-chambered heart that pumps hemolymph through arteries, while human hearts have four chambers separating oxygenated and deoxygenated blood flow.
Blood vessels and circulation
The document discusses the vascular system and blood vessels. It describes the three layers of blood vessels - tunica intima, tunica media, and tunica externa. It also explains the double circulation system, with the pulmonary circuit pumping blood to the lungs and the systemic circuit pumping blood to the body's systems. The systemic system can be divided into the coronary, renal, and hepatic portal circulations.
Circulatory system Nov 2010
This presentation has been created by Dr Faisal Qadir with help of various presentations downloaded from net for better understanding of students and teachers
The Heart Science 7th class powerpoint presentation
The document summarizes the key parts and functions of the human heart and circulatory system. It discusses how the heart is a non-stop muscular pump with four chambers that pushes oxygenated blood through arteries and returns deoxygenated blood through veins. The left side of the heart is larger and more powerful as it pumps blood through the entire body, while the right side pumps blood to the lungs to receive oxygen before returning to the left side. With each heartbeat, the heart vigorously contracts ("lub") to push blood out and relaxes ("dub") to refill in its continuous cycle to circulate blood throughout the entire body.
Frigid Poles
The document discusses how the human body and circulatory system respond to cold temperatures at the poles. It explains that muscles contract to make the body shiver and keep warm, while the cardiovascular and circulatory systems work to pump blood to the body's core to prevent hypothermia, though blood does not circulate as quickly as in warmer environments. It also provides some helpful tips for staying warm at the poles, such as wearing layers, parkas, mittens, scarves, boots, and wool socks, as well as useful outdoor items like sunglasses, a whistle, and a first aid kit.
Cardiac System
The document discusses the anatomy and flow of blood through the heart. It describes the heart as a muscular pump located in the mediastinum with four chambers - right and left atria and ventricles divided by valves. Blood flows from the vena cava into the right atrium, then through the tricuspid valve to the right ventricle and pulmonary artery to the lungs before returning to the left atrium and exiting the left ventricle into systemic circulation through the aorta. The heart tissue consists of an inner endocardium, thick middle myocardium and outer epicardium, surrounded by a protective pericardium.
Heart Structure(Science)
The circulatory system transports materials around the body using blood, blood vessels, and the heart. The heart has four chambers and pumps blood through the body in a continuous cycle. Oxygenated blood enters the left side of the heart and is pumped through arteries to the body, while deoxygenated blood returns to the right side of the heart and is pumped to the lungs to receive more oxygen.
Human Circulatory System
The circulatory system carries nutrients, oxygen, and waste throughout the body. It contains three main parts: the heart, blood, and blood vessels. The heart acts as a pump to circulate blood. Blood carries oxygen, nutrients, waste products, and defenses through the vessels. It contains plasma, red blood cells, platelets, and white blood cells.
The heart
The heart is about the size of a fist and located in the center of the chest behind the breastbone. It is made of cardiac muscle and has a pacemaker that signals it to work continuously. The heart has two circuits - in one circuit the blood flows from the heart to the body and back to deliver oxygen and nutrients and remove waste. In the second circuit the blood flows from the heart to the lungs and back so the blood can become oxygenated. The heart is divided into four chambers by a thick wall so that oxygenated and deoxygenated blood are kept separate as they circulate to the body and lungs respectively.
The cardiovascular system
The circulatory system moves blood through the body via the heart, arteries, veins and capillaries. The heart pumps oxygenated blood received from the lungs through the arteries and the deoxygenated blood is returned to the heart via veins. Capillaries allow for the exchange of oxygen, nutrients and waste between the blood and body tissues. A healthy circulatory system is important for delivering oxygen and removing waste to keep cells and organs functioning properly. Maintaining a healthy diet, exercise and lifestyle can support good circulation and overall health.
Circulatory system
The circulatory system transports blood containing oxygen and nutrients throughout the body using blood vessels and the heart. The circulatory system consists of blood, blood vessels, and the heart. Blood is made of plasma, red blood cells, white blood cells, and platelets. Red blood cells carry oxygen and carbon dioxide, white blood cells protect against infection, and platelets form blood clots to stop bleeding. Arteries carry oxygenated blood from the heart while veins return deoxygenated blood to the heart. Capillaries connect arteries and veins to deliver blood to tissues. The heart is a hollow muscle with four chambers that pumps blood through the circulatory system around 60-100 times per minute, increasing during exercise to meet higher
The Circulatory System
The circulatory system moves blood throughout the body using the heart and blood vessels. The heart has four chambers and pumps blood, which carries oxygen and nutrients, between the lungs and body. Blood pressure measures the force of blood flow, and high blood pressure increases health risks like stroke and heart attack. Blood contains red blood cells, which carry oxygen, white blood cells for infection-fighting, and platelets for stopping bleeding.
Ch04 eec3
The document discusses key anatomical terms and concepts as well as the structure and function of major body systems, including:
1. Terms used to describe body regions and directions include anatomical position, anatomical planes, and directional terms like frontal and lateral.
2. The respiratory system uses the diaphragm and intercostal muscles to inhale and exhale air, facilitating gas exchange in the lungs and transport of oxygen and carbon dioxide via the blood.
3. The cardiovascular system uses the heart, blood, and blood vessels to circulate oxygenated blood and nutrients to tissues and remove wastes via circulation and perfusion.
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Cardiovascular System
The cardiovascular system circulates blood throughout the body via the heart and blood vessels. The heart has four chambers and pumps around 4,000 gallons of blood per day through arteries, veins, and capillaries to deliver oxygen and nutrients to cells and remove carbon dioxide and waste. Blood contains plasma, red blood cells to carry oxygen and carbon dioxide, white blood cells to fight infection, and platelets to help clotting.
Death Valley
The document discusses how the human body is affected by extreme heat in Death Valley. It notes that the body can lose large quantities of salt and water due to lack of water and sweating, which can lead to dizziness and nausea. The heart must pump more blood and blood vessels dilate to accommodate increased blood flow in high temperatures. Common experiences in excessive heat include muscle cramps and spasms. Clothing and items are needed to help the body maintain homeostasis in this harsh environment.
Circulatory System
The circulatory system transports nutrients, oxygen, hormones and other materials to cells throughout the body, and carries away waste. It has four major parts - the heart, arteries, capillaries and veins. The respiratory system interacts with the circulatory system to deliver oxygen to cells. Circulatory diseases are common in the US, killing over 2,400 people daily, so it is important to maintain a healthy heart and flexible blood vessels.
The circulatory system
The circulatory system circulates blood throughout the body using blood vessels and the heart. Blood carries oxygen, nutrients, waste and immune cells. The three main parts are the heart, blood vessels and blood. The heart pumps blood into arteries and the blood returns via veins, circulating oxygenated blood and nutrients to tissues and carrying away waste. It has two sides, with deoxygenated blood entering the right side and oxygenated blood leaving via the left side after circulating through the lungs.
04 the human_body
The document provides an overview of the major body systems and some related emergency care considerations. It describes the basic functions and main organs of each system, including: respiratory (lungs, breathing), circulatory (heart, blood vessels, transport oxygen/nutrients), musculoskeletal (bones, muscles, movement/support), nervous (brain, spinal cord, senses/control), integumentary (skin, protection/sensation), gastrointestinal (digestion/nutrient absorption), urinary (kidneys, waste removal), and reproductive (sex organs, reproduction). It notes injuries and illnesses that could threaten system functions like breathing issues, bleeding, fractures, altered mental status, and internal organ damage.
Circulatory system intro
The document summarizes key aspects of the human circulatory system. It explains that the circulatory system has three main components: fluid (blood), blood vessels (arteries, veins, capillaries), and the heart. It transports gases, nutrients, wastes, and hormones. It notes that humans have a double circulatory system with two loops - the pulmonary system and systemic circulatory system. The pulmonary system carries deoxygenated blood to the lungs and oxygenated blood back to the heart, while the systemic system circulates blood to and from the body's tissues and organs.
The human heart power point
The document discusses the heart and lungs. It describes the heart as a muscle located slightly left of center in the chest that pumps blood through the body using four chambers and valves. The lungs are the largest organ and take up most of the chest cavity. They contain millions of air sacks that pass oxygen to the blood and remove carbon dioxide waste through breathing approximately 23,000 times per day. Both organs can be exercised through activities like walking, jogging, biking, and swimming.
Sheep Heart Dissection
The document summarizes the structure and function of the heart and circulatory system. It describes how deoxygenated blood enters the heart through the vena cavae and is pumped into the lungs for oxygenation before entering the left atria. The left ventricle then pumps oxygenated blood out through the aorta to tissues throughout the body. Blood flows through a series of vessels, from arteries to arterioles to capillaries to venules back to veins. The heart's valves and chambers work together to ensure one-way blood flow and prevent backflow.
The circulatory system SSA+S
The document summarizes key aspects of the circulatory system including:
- The major parts of the circulatory system including the heart, veins, and arteries.
- The heart pumps oxygenated blood through the arteries and deoxygenated blood returns through the veins.
- The circulatory system interacts with other body systems to transport materials throughout the body and helps maintain homeostasis, for example by regulating body temperature.
- Some common diseases that can affect the circulatory system are discussed like heart attacks, aneurysms, and leukemia. Blood clotting and common questions are also addressed.
Circulation powerpoint
There are two main types of circulatory systems - open and closed. In an open system, found in invertebrates like mollusks and arthropods, blood is pumped into body cavities and diffuses between cells. A closed system, present in vertebrates and some invertebrates, keeps blood enclosed in vessels at all times. Hearts vary in structure from simple contractile blood vessels in insects to four-chambered organs in mammals. Crayfish have a single-chambered heart that pumps hemolymph through arteries, while human hearts have four chambers separating oxygenated and deoxygenated blood flow.
Blood vessels and circulation
The document discusses the vascular system and blood vessels. It describes the three layers of blood vessels - tunica intima, tunica media, and tunica externa. It also explains the double circulation system, with the pulmonary circuit pumping blood to the lungs and the systemic circuit pumping blood to the body's systems. The systemic system can be divided into the coronary, renal, and hepatic portal circulations.
Circulatory system Nov 2010
This presentation has been created by Dr Faisal Qadir with help of various presentations downloaded from net for better understanding of students and teachers
The Heart Science 7th class powerpoint presentation
The document summarizes the key parts and functions of the human heart and circulatory system. It discusses how the heart is a non-stop muscular pump with four chambers that pushes oxygenated blood through arteries and returns deoxygenated blood through veins. The left side of the heart is larger and more powerful as it pumps blood through the entire body, while the right side pumps blood to the lungs to receive oxygen before returning to the left side. With each heartbeat, the heart vigorously contracts ("lub") to push blood out and relaxes ("dub") to refill in its continuous cycle to circulate blood throughout the entire body.
Frigid Poles
The document discusses how the human body and circulatory system respond to cold temperatures at the poles. It explains that muscles contract to make the body shiver and keep warm, while the cardiovascular and circulatory systems work to pump blood to the body's core to prevent hypothermia, though blood does not circulate as quickly as in warmer environments. It also provides some helpful tips for staying warm at the poles, such as wearing layers, parkas, mittens, scarves, boots, and wool socks, as well as useful outdoor items like sunglasses, a whistle, and a first aid kit.
Cardiac System
The document discusses the anatomy and flow of blood through the heart. It describes the heart as a muscular pump located in the mediastinum with four chambers - right and left atria and ventricles divided by valves. Blood flows from the vena cava into the right atrium, then through the tricuspid valve to the right ventricle and pulmonary artery to the lungs before returning to the left atrium and exiting the left ventricle into systemic circulation through the aorta. The heart tissue consists of an inner endocardium, thick middle myocardium and outer epicardium, surrounded by a protective pericardium.
Heart Structure(Science)
The circulatory system transports materials around the body using blood, blood vessels, and the heart. The heart has four chambers and pumps blood through the body in a continuous cycle. Oxygenated blood enters the left side of the heart and is pumped through arteries to the body, while deoxygenated blood returns to the right side of the heart and is pumped to the lungs to receive more oxygen.
Human Circulatory System
The circulatory system carries nutrients, oxygen, and waste throughout the body. It contains three main parts: the heart, blood, and blood vessels. The heart acts as a pump to circulate blood. Blood carries oxygen, nutrients, waste products, and defenses through the vessels. It contains plasma, red blood cells, platelets, and white blood cells.
The heart
The heart is about the size of a fist and located in the center of the chest behind the breastbone. It is made of cardiac muscle and has a pacemaker that signals it to work continuously. The heart has two circuits - in one circuit the blood flows from the heart to the body and back to deliver oxygen and nutrients and remove waste. In the second circuit the blood flows from the heart to the lungs and back so the blood can become oxygenated. The heart is divided into four chambers by a thick wall so that oxygenated and deoxygenated blood are kept separate as they circulate to the body and lungs respectively.
The cardiovascular system
The circulatory system moves blood through the body via the heart, arteries, veins and capillaries. The heart pumps oxygenated blood received from the lungs through the arteries and the deoxygenated blood is returned to the heart via veins. Capillaries allow for the exchange of oxygen, nutrients and waste between the blood and body tissues. A healthy circulatory system is important for delivering oxygen and removing waste to keep cells and organs functioning properly. Maintaining a healthy diet, exercise and lifestyle can support good circulation and overall health.
Circulatory system
The circulatory system transports blood containing oxygen and nutrients throughout the body using blood vessels and the heart. The circulatory system consists of blood, blood vessels, and the heart. Blood is made of plasma, red blood cells, white blood cells, and platelets. Red blood cells carry oxygen and carbon dioxide, white blood cells protect against infection, and platelets form blood clots to stop bleeding. Arteries carry oxygenated blood from the heart while veins return deoxygenated blood to the heart. Capillaries connect arteries and veins to deliver blood to tissues. The heart is a hollow muscle with four chambers that pumps blood through the circulatory system around 60-100 times per minute, increasing during exercise to meet higher
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The Heart Science 7th class powerpoint presentation
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Similar to The scientific side of fear and anxiety
The Circulatory System
The circulatory system moves blood throughout the body using the heart and blood vessels. The heart has four chambers and pumps blood, which carries oxygen and nutrients, between the lungs and body. Blood pressure measures the force of blood flow, and high blood pressure increases health risks like stroke and heart attack. Blood contains red blood cells, which carry oxygen, white blood cells for infection-fighting, and platelets for stopping bleeding.
Ch04 eec3
The document discusses key anatomical terms and concepts as well as the structure and function of major body systems, including:
1. Terms used to describe body regions and directions include anatomical position, anatomical planes, and directional terms like frontal and lateral.
2. The respiratory system uses the diaphragm and intercostal muscles to inhale and exhale air, facilitating gas exchange in the lungs and transport of oxygen and carbon dioxide via the blood.
3. The cardiovascular system uses the heart, blood, and blood vessels to circulate oxygenated blood and nutrients to tissues and remove wastes via circulation and perfusion.
Nervous & Endocrine Systems
The document summarizes several key human body systems including the nervous system, endocrine system, circulatory system, respiratory system, digestive system, excretory system, integumentary system, skeletal system, and muscular system. It provides details on the main organs and tissues within each system, their functions, and how they work together to keep the body functioning properly.
Kin 191 B – Abdomen And Thorax Anatomy And Evaluation
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Pathophysiology of heart
I am Quazi istiaque Bari , here you can show the heart, which is the pumping organ of our body. it's very important to you. You can know about the heart, its various parts as well as its functions, various cardiovascular diseases, and their treatment.
Outlines are-
1. physiology and anatomy of the heart
2. Function of heart
3. Blood circulation
4. Diseases of the heart like heart attack, arrhythmia angina pectoris, heart failure, etc.
5. Healthy heart tips
hopefully, you get some general knowledge of heart through it, you will enjoy it surely. all the very best for what you are doing. may Allah bless you all.
Dr. gautam heart
The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs. In humans, the heart is approximately the size of a closed fist and is located between the lungs, in the middle compartment of the chest.
Heart disease describes a range of conditions that affect your heart. Heart diseases include:
Blood vessel disease, such as coronary artery disease
Heart rhythm problems (arrhythmias)
Heart defects you're born with (congenital heart defects)
Heart valve disease
Disease of the heart muscle
Heart infection
Many forms of heart disease can be prevented or treated with healthy lifestyle choices.
heart attack
The heart is a muscle that pumps oxygenated blood from the lungs to the rest of the body and deoxygenated blood back to the lungs. The coronary arteries supply the heart with blood but can become blocked, preventing oxygen from reaching the heart muscles and causing a heart attack. Symptoms of a heart attack include chest pain or discomfort, pain in other areas of the upper body, shortness of breath, sweating, and nausea. To reduce heart attack risk, people should control cholesterol, blood pressure, avoid smoking, maintain a healthy weight, exercise regularly, and limit alcohol intake.
heart attack
this my presentation about heart attack i hope it be useful for anyone who would like to know about this diseas
Dean R Berry Circulatory System
1) The circulatory system moves blood throughout the body using the heart, arteries, and veins. The heart pumps blood from the left and right ventricles through the arteries.
2) Blood carries oxygen and nutrients to tissues and cells through capillaries and returns to the heart through veins. Interruption of blood flow can damage organs.
3) Risk factors for heart disease and stroke include high blood pressure, high cholesterol, smoking, diabetes, obesity, lack of exercise, and excessive alcohol use. Maintaining a healthy lifestyle can reduce risks.
Circulation and exercise
The circulatory system adapts to exercise in both short-term and long-term ways. In the short-term, the heart rate increases to pump more blood, delivering more oxygen to working muscles. The lungs also work harder to remove carbon dioxide and replenish oxygen. Long-term, regular exercise causes the heart to grow stronger, increasing stroke volume and lowering resting heart rate. It also enhances blood flow and oxygen delivery through increased capillaries and blood volume.
Cardiovascular system
The cardiovascular system consists of the heart and blood vessels. The heart is a double pump that delivers oxygenated blood to the body through arteries and returns deoxygenated blood to the lungs through veins. The cardiac cycle and heart rate are regulated by the cardiac conduction system and the cardiac center in the medulla oblongata. Blood pressure is determined by cardiac output, blood volume, peripheral resistance, and viscosity, and its regulation prevents hypertension and disease. Arteries and veins are structured to efficiently transport blood away from and toward the heart.
Cardiovascular system ppt
The cardiovascular system consists of the heart and blood vessels. The heart is a double pump that delivers oxygenated blood to the body and deoxygenated blood to the lungs. Blood flows from the heart through arteries and returns through veins. The heart rate and cardiac cycle are regulated by the cardiac conduction system and the cardiac center in the medulla oblongata, which controls sympathetic and parasympathetic input. Blood pressure is affected by heart rate, blood volume, peripheral resistance, and viscosity and its regulation is important to prevent conditions like hypertension.
pEdema.pptx
condition caused by excess fluid in the lungs.
Pulmonary oedema is usually caused by a heart condition. Other causes include pneumonia, exposure to certain toxins and drugs, and being at high elevations
Cardiovascular System
The cardiovascular system consists of the heart, which acts as a double pump to circulate oxygenated blood received from the lungs throughout the body via arteries, and to return deoxygenated blood to the lungs via veins. The heart's rhythm is regulated by a conduction system and the autonomic nervous system. Blood pressure is controlled by factors like heart rate, blood volume, vessel resistance and viscosity. Arteries and veins have distinct structures suited to their roles in blood transport, and the circulatory system enables dynamic responses to meet the body's changing needs.
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The document summarizes key concepts in exercise physiology. It describes how oxygen-rich blood is pumped from the heart through arteries and returns through veins. It also explains how the lungs function like a tree to supply the body with oxygen through a network of airways. Finally, it defines terms like stroke volume, cardiac output, blood pressure, and lists physiological responses that are assessed before and after exercise like heart rate, breathing rate, and skin color.
Describe three early signs of shock and the rationale for each.So.pdf
Describe three early signs of shock and the rationale for each.
Solution
shock is defined as an acute clinical syndrome characterized by hypoperfusion and severe
dysfunction of vital organs. it is a result of circulatory collapse.
early signs/first signs
paleness: and excessive sweating due to reduced blood supply to perpheries like skin due to
perpheral pooling of blood ( moves into central circulation)
weak wide pulse due to initially due to increase adrenaline release and subsequent peripheral
vasoconstriction and increased diastolic pressure
tachycardia due to more work of heart . in shock vital organs need blood supply to survice so
heart work more to maintain the perfusion to vital organs
dilated pupils due to sympathetic stimulation
increased breathing frequency ( tachypnea) due to more wok of lung to compensate metabolic
disturbence ( production of more co2 to which lung work more to send out and provide more
oxygen to tissue aganist muscle impairment.
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The document provides details about the anatomy and function of the heart. It describes the heart's location in the chest cavity between the lungs. The four chambers of the heart are identified along with their roles in pumping oxygenated and deoxygenated blood. Common heart diseases and their causes are listed. Steps to maintain a healthy heart include eating well, exercising, avoiding smoking and managing stress.
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The scientific side of fear and anxiety
- 1. THE SCIENTIFIC SIDE OF FEAR AND ANXIETY
- 2. Red face, or blushing Shortness of breath Upset stomach, (i.e. butterflies) shaky voice Racing heart(rapid heartbeat) Sweating or hot flashes Feeling dizzy or faint Weakness SYMPTOMS OF FEAR AND ANXIETY:
- 3. QUESTIONS: how it happens inside our bodies? what's the benefits of it? What’s the organ responsible for all of it?
- 4. THE PROCESS OF FEAR AND ANXIETY
- 5. THE FIGHT AND FLIGHT RESPENCE
- 6. THE PROCESS OF FEAR AND ANXIETY Rapid Heartbeat (Tachycardia ) it acts to increase the amount of oxygen delivered to the cells of the body by increasing the rate at which blood circulates through the vessels Weakness your heart pumps the blood to the places that your body feels need it most. That means your blood is rushing to your heart, your brain, and possibly various muscles Sweating veins in skin constrict to send more blood to major muscle groups (responsible for the "chill" sometimes associated with fear blood in the skin to keep it warm)
- 7. THANK YOU FOR LISTENING