Human heart(1)
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The human heart is located slightly left of center in the chest and is about the size of a fist. It has four chambers - two upper auricles that receive blood and two lower ventricles that pump blood out. The right side receives deoxygenated blood and pumps it to the lungs while the left side receives oxygenated blood from the lungs and pumps it out to the body via the aorta, the largest artery. There are two types of valves in the heart - atrioventricular valves that prevent backflow between chambers and semilunar valves that prevent backflow in the ventricles. The heart is a muscular pump that circulates blood through the body using these chambers and valves.
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CARDIAC CYCLE.pptx
The document describes the cardiac cycle and its key events. The cardiac cycle consists of systole, when the heart contracts and pumps blood, and diastole, when the heart relaxes and fills with blood. Each cycle takes approximately 0.8 seconds. Systole includes the isometric contraction, when pressure rises but volume does not change, and the ejection period, when blood is pumped out. Diastole includes isometric relaxation as pressure falls, followed by three filling phases - rapid, slow, and last rapid filling due to atrial contraction. The document provides details on the timing and mechanics of each phase of the cardiac cycle.
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Heart
The heart is a hollow muscular organ located in the thoracic cavity between the lungs. It is composed of three layers: the outer pericardium, middle myocardium layer of muscle, and inner endocardium lining. The heart is further divided into four chambers - right and left atria on top which receive blood and right and left ventricles on bottom which pump blood out. It has a specialized conduction system including the sinoatrial node which initiates impulses and pacemaking, atrioventricular node which conducts impulses to ventricles, and Purkinje fibers which transmit the impulse through the ventricles to contract in a coordinated way. The heart is supplied by coronary arteries and drained
5. final chamber of heart
The heart has four chambers - two atria that collect blood and two ventricles that pump blood. The right atrium receives deoxygenated blood from the vena cava and passes it to the right ventricle, which then pumps the blood to the lungs. The left atrium receives oxygenated blood from the lungs and passes it to the left ventricle, which has the thickest walls and pumps oxygenated blood out to the rest of the body via the aorta. Septa divide the atria and ventricles.
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CARDIAC CYCLE.pptx
The document describes the cardiac cycle and its key events. The cardiac cycle consists of systole, when the heart contracts and pumps blood, and diastole, when the heart relaxes and fills with blood. Each cycle takes approximately 0.8 seconds. Systole includes the isometric contraction, when pressure rises but volume does not change, and the ejection period, when blood is pumped out. Diastole includes isometric relaxation as pressure falls, followed by three filling phases - rapid, slow, and last rapid filling due to atrial contraction. The document provides details on the timing and mechanics of each phase of the cardiac cycle.
Anatomy of the heart
The heart contains four chambers - two upper chambers called atria and two lower chambers called ventricles. The atria receive blood from veins into the heart while the thicker-walled ventricles pump blood out of the heart and into arteries. There are three types of circulation - systemic circulation pumps oxygenated blood from the left ventricle to the body, pulmonary circulation pumps deoxygenated blood from the right ventricle to the lungs, and hepatic portal circulation transports blood from the intestines to the liver. Valves between the chambers regulate blood flow through the heart.
Heart
The heart is a hollow muscular organ located in the thoracic cavity between the lungs. It is composed of three layers: the outer pericardium, middle myocardium layer of muscle, and inner endocardium lining. The heart is further divided into four chambers - right and left atria on top which receive blood and right and left ventricles on bottom which pump blood out. It has a specialized conduction system including the sinoatrial node which initiates impulses and pacemaking, atrioventricular node which conducts impulses to ventricles, and Purkinje fibers which transmit the impulse through the ventricles to contract in a coordinated way. The heart is supplied by coronary arteries and drained
5. final chamber of heart
The heart has four chambers - two atria that collect blood and two ventricles that pump blood. The right atrium receives deoxygenated blood from the vena cava and passes it to the right ventricle, which then pumps the blood to the lungs. The left atrium receives oxygenated blood from the lungs and passes it to the left ventricle, which has the thickest walls and pumps oxygenated blood out to the rest of the body via the aorta. Septa divide the atria and ventricles.
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The heart is a hollow muscular organ responsible for pumping blood through the circulatory system. It has four chambers: right atrium, right ventricle, left atrium, and left ventricle. The heart is surrounded by membranes and has three layers - epicardium, myocardium, and endocardium. It is located in the chest cavity and pumps oxygenated blood received from the lungs through the left side of the heart to the entire body. The heart has four valves that prevent backflow of blood - tricuspid valve, pulmonary valve, mitral valve, and aortic valve.
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Anatomy of heart dr nikunj shekhada (mbbs,ms gen surg ,dnb cts SR) 11 6-18
The document provides an overview of the anatomy of the heart. It describes the heart as a hollow muscular organ located in the middle mediastinum behind the sternum. The heart has four chambers - two atria which receive blood and two ventricles which pump blood out. It notes the positions of structures like the cardiac apex. It then describes in detail the layers of the heart wall, the structure of the atria and ventricles, surrounding tissues like the pericardium, valves, blood vessels including the coronary arteries and veins, and the electrical conduction system.
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Anatomy And Physiology of Human Heart
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Anatomy And Physiology of Human Heart
1. ANATOMY OF THE HEART By: Dr Mohammed Faez
2. The Heart The heart is a chambered muscular organ that pumps blood received from the veins into the arteries, thereby maintaining the flow of blood through the entire circulatory system.
3. The Heart • The heart is surrounded by membrane called Pericardium.
4. The Pericardium • The pericardium is a fibroserous sac that encloses the heart and the roots of the great vessels. • The pericardium lies within the middle mediastinum.
5. The Pericardium
6. The Pericardium • Its function is to restrict excessive movements of the heart as a whole and to serve as a lubricated container in which the different parts of the heart can contract.
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The document provides an overview of the anatomy and physiology of the heart. It discusses the location of the heart in the thoracic cavity. It describes the layers of the heart - epicardium, myocardium, and endocardium - and the functions of each layer. It outlines the four chambers of the heart and their roles in blood flow. It explains the cardiac cycle of diastole and systole. It provides details on the heart valves and conducting system. It concludes by listing and briefly defining several important heart conditions.
Human heart
The human heart has four chambers - two atria that receive blood and two ventricles that pump blood. The right side receives deoxygenated blood from the body and pumps it to the lungs, while the left side receives oxygenated blood from the lungs and pumps it to the body. The heart is made of cardiac muscle that can contract regularly without fatigue. Blood returns to the heart through the vena cavae and pulmonary veins and is pumped back out through the pulmonary artery and aorta.
Working of Human Heart .pptx
This document summarizes the structure and function of the human heart. It describes that the heart has four chambers to prevent mixing of oxygenated and deoxygenated blood. The two upper chambers are atria that receive blood, and the two lower chambers are ventricles that pump blood to the lungs and body. It also explains the cardiac cycle of heart contraction and relaxation in three phases - joint diastole, atrial systole, and ventricular systole. Additionally, it discusses the double circulation of blood through the heart and lungs in pulmonary circulation, and through the heart and body in systemic circulation. The sinoatrial node initiates heartbeats that then pass through the atrioventricular node to contract the ventric
The human heart
The human heart is a muscular organ about the size of a closed fist located in the thoracic cavity. It pumps deoxygenated blood received from the veins to the lungs and oxygenated blood from the lungs to the arteries throughout the body. The heart has four chambers - right and left atria which receive blood, and right and left ventricles which pump blood out. It is surrounded by the pericardium and contains valves that ensure one-way blood flow. During each heartbeat or cardiac cycle, the atria contract to fill the ventricles which then contract to pump blood into the arteries while the valves open and close in the correct sequence.
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The heart is a pumping organ located in the chest that continuously circulates blood through the body. It has four chambers - the two upper chambers are the atria and the two lower chambers are the ventricles. The septum separates the chambers and prevents mixing of oxygenated and deoxygenated blood. Blood flows from the right atrium to the right ventricle then to the lungs, returns oxygenated to the left atrium and left ventricle, then is pumped through the aorta to the rest of the body in a continuous cycle.
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The document summarizes the arterial blood supply and venous drainage of the heart. The right and left coronary arteries arise from the aorta and branch to supply the heart. The right coronary artery supplies the right atrium and ventricle. The left coronary artery divides into the anterior interventricular branch and circumflex artery to supply the left side of the heart. Venous blood from the heart drains mainly into the coronary sinus via the great cardiac vein, middle cardiac vein, small cardiac vein and anterior cardiac vein.
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The heart is a cone-shaped organ located in the chest cavity between the lungs. It is surrounded by fluid-filled sac called the pericardium. The heart has four chambers - two upper atria that receive blood and two lower ventricles that pump blood out. Blood flows through valves from the atria to ventricles and then out arteries or pulmonary artery. The heart's wall has three layers - outer epicardium, middle muscular myocardium, and inner endocardium. The heart continuously contracts and relaxes in a cardiac cycle of diastole and systole to pump blood through the body.
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Anatomy And Physiology of Human Heart
Be the first to comment
Anatomy And Physiology of Human Heart
1. ANATOMY OF THE HEART By: Dr Mohammed Faez
2. The Heart The heart is a chambered muscular organ that pumps blood received from the veins into the arteries, thereby maintaining the flow of blood through the entire circulatory system.
3. The Heart • The heart is surrounded by membrane called Pericardium.
4. The Pericardium • The pericardium is a fibroserous sac that encloses the heart and the roots of the great vessels. • The pericardium lies within the middle mediastinum.
5. The Pericardium
6. The Pericardium • Its function is to restrict excessive movements of the heart as a whole and to serve as a lubricated container in which the different parts of the heart can contract.
Heart
The document provides an overview of the anatomy and physiology of the heart. It discusses the location of the heart in the thoracic cavity. It describes the layers of the heart - epicardium, myocardium, and endocardium - and the functions of each layer. It outlines the four chambers of the heart and their roles in blood flow. It explains the cardiac cycle of diastole and systole. It provides details on the heart valves and conducting system. It concludes by listing and briefly defining several important heart conditions.
Human heart
The human heart has four chambers - two atria that receive blood and two ventricles that pump blood. The right side receives deoxygenated blood from the body and pumps it to the lungs, while the left side receives oxygenated blood from the lungs and pumps it to the body. The heart is made of cardiac muscle that can contract regularly without fatigue. Blood returns to the heart through the vena cavae and pulmonary veins and is pumped back out through the pulmonary artery and aorta.
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Austin Cardiology is an open access, peer reviewed, scholarly journal dedicated to publish articles covering all areas of Cardiology.
The journal aims to promote research communications and provide a forum for doctors, researchers, physicians and healthcare professionals to find most recent advances in all areas of Cardiology. Austin Cardiology accepts original research articles, reviews, mini reviews, case reports and rapid communication covering all aspects of cardiology.
Austin Cardiology strongly supports the scientific up gradation and fortification in related scientific research community by enhancing access to peer reviewed scientific literary works. Austin Publishing Group also brings universally peer reviewed journals under one roof thereby promoting knowledge sharing, mutual promotion of multidisciplinary science.
Austin Cardiology
Austin Cardiology is an open access, peer reviewed, scholarly journal dedicated to publish articles covering all areas of Cardiology.
The journal aims to promote research communications and provide a forum for doctors, researchers, physicians and healthcare professionals to find most recent advances in all areas of Cardiology. Austin Cardiology accepts original research articles, reviews, mini reviews, case reports and rapid communication covering all aspects of cardiology.
Austin Cardiology strongly supports the scientific up gradation and fortification in related scientific research community by enhancing access to peer reviewed scientific literary works. Austin Publishing Group also brings universally peer reviewed journals under one roof thereby promoting knowledge sharing, mutual promotion of multidisciplinary science.
Austin Journal of Clinical Cardiology
Austin Journal of Clinical Cardiology is an open access, peer reviewed, scholarly journal dedicated to publish articles in all areas of cardiology and angiology. The aim of the journal is to provide a forum for cardiologists, researchers, physicians, and other health professionals to find most recent advances in the areas of cardiology and cardiovascular diseases.
Austin Journal of Clinical Cardiology accepts original research articles, review articles, case reports, clinical images and rapid communication on all the aspects of cardiology and circulatory system.
Austin Journal of Clinical Cardiology strongly supports the scientific upgradation and fortification in related scientific research community by enhancing access to peer reviewed scientific literary works. Austin Publishing Group also brings universally peer reviewed journals under one roof thereby promoting knowledge sharing, mutual promotion of multidisciplinary science.
Austin Journal of Clinical Cardiology is an open access, peer reviewed, scholarly journal dedicated to publish articles in all areas of cardiology and angiology
Austin Cardiology
Austin Cardiology is an open access, peer reviewed, scholarly journal dedicated to publish articles covering all areas of Cardiology.
The journal aims to promote research communications and provide a forum for doctors, researchers, physicians and healthcare professionals to find most recent advances in all areas of Cardiology. Austin Cardiology accepts original research articles, reviews, mini reviews, case reports and rapid communication covering all aspects of cardiology.
Austin Cardiology strongly supports the scientific up gradation and fortification in related scientific research community by enhancing access to peer reviewed scientific literary works. Austin Publishing Group also brings universally peer reviewed journals under one roof thereby promoting knowledge sharing, mutual promotion of multidisciplinary science.
Cardiovascular System.pptx
The cardiovascular system is composed of the heart and blood vessels. The heart pumps blood through the blood vessels to deliver oxygen and nutrients and remove carbon dioxide and waste throughout the body. The heart is located in the chest behind the sternum and is about the size of a fist. It has four chambers - two atria which receive blood and two ventricles which pump blood out of the heart. The heart has four valves which allow blood to flow in only one direction through the heart and prevent backflow. The blood circulation involves oxygenated blood being pumped from the heart through arteries and deoxygenated blood returning to the heart via veins, ensuring the efficient transport of gases, nutrients and waste throughout the body.
Human heart
The human heart has four chambers - two atria that receive blood and two ventricles that pump blood. The right side receives deoxygenated blood from the body and pumps it to the lungs, while the left side receives oxygenated blood from the lungs and pumps it to the body. The heart is made of cardiac muscle that can contract regularly without fatigue. Blood returns to the heart through the vena cavae and pulmonary veins and is pumped back out through the pulmonary artery and aorta.
The heart
The heart is divided into four chambers that receive and pump blood throughout the body. The two upper chambers, called atria, receive blood returning to the heart while the two lower chambers, called ventricles, pump blood out to the body and lungs. The heart wall contains three layers and uses electrical signals to coordinate contractions that pump blood in two phases of the cardiac cycle. Valves allow blood to flow in only one direction through the heart and into the major arteries and veins.
Human heart anatomy and physiology Part -1
The heart is the pump responsible for maintaining adequate circulation of oxygenated blood around the vascular network of the body. It is a four-chamber pump, with the right side receiving deoxygenated blood from the body at low presure and pumping it to the lungs (the pulmonary circulation) and the left side receiving oxygenated blood from the lungs and pumping it at high pressure around the body (the systemic circulation).
Anatomy And Physiology of Human Heart
FunctionsTransport oxygen and nutrients to the lungs and tissuesForm blood clots to prevent excess blood lossCarry cells and antibodies that fight infectionBring waste products to the kidneys and liver to filter bloodRegulate body temperature
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- 1. HUMAN HEART Presented By SHANITHA L Natural Science
- 2. HEART The heart is located in little to the left of the middle of chest and is about the size of your fist
- 3. ARTERIES AND VEINS Blood moves through many tubes called arteries and veins. Arteries carries blood away from heart. Veins carry blood back to the heart.
- 4. CHAMBERS OF HEART Human heart is four chambered. The upper two chambers are auricles. The lower two chambers are ventricles.
- 5. AURICLE AND VENTRICLE The right side of the heart receives deoxygenated blood from the body and pumps it to the lungs. The left side of the heart receives oxygenated blood from the lungs and pumps it out to the body.
- 6. AORTA Is the largest artery in the human body. It receives oxygenated blood from the left ventricle of the heart and involves it to all parts of the body.
- 7. VALVES OF THE HEART Two major types: 1.Atrioventricular valves 2.Semilunar valves
- 8. VALVES Atrioventricular valves prevent backflow of blood into the atria when ventricles contract Semilunar valves prevent backflow of blood in the ventricles.
- 9. CONCLUSION o Heart is a muscular organ in the circulatory system responsible for pumping blood through out the blood vessels to our body. o Heart is four chambered. o The valves present in heart are atrioventricular valves and semilunar valves.