Write the functions of the following.. A. Superior Vena Cava B. Inferior Vena Cava C. Right atrium or auricle D. Tricuspid valve. E. Right ventricle F. Pulmonary Artery G. Pulmonary vein H. Left atrium or auricle I. Bicuspid valve J. Left ventricle K. Aorta L. Aortic valve M. Pulmonary valve N. Septum O. Various valves P. Pericardium Q.pericardial fluid
Answers
Answer:
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superior vena cava:The superior vena cava is solely responsible for transporting deoxygenated blood from the upper portion of the body (head, neck, upper limbs, and some organs of the chest) into the heart, which then sends it to the lungs.
Inferior Vena Cava :The inferior vena cava is a vein. It carries deoxygenated blood from the lower half of the body to the right atrium of the heart. The corresponding vein that carries deoxygenated blood from the upper half of the body is the superior vena cava.
Right atrium or auricle :The right auricle of the heart - also called the right atrial appendage (RAA) - is attached to the heart's right atrium. ... It collects deoxygenated blood from the bloodstream and moves it into the heart's Continue Scrolling To Read More Below...
Tricuspid valve:The tricuspid valve is located between the right atrium (top chamber) and right ventricle (bottom chamber). Its role is to make sure blood flows in a forward direction from the right atrium to the ventricle.
Right ventricle:The lower right chamber of the heart that receives deoxygenated blood from the right atrium and pumps it under low pressure into the lungs via the pulmonary artery.
Pulmonary Artery:The pulmonary artery carries deoxygenated blood from the right ventricle to the lungs. The blood here passes through capillaries adjacent to alveoli and becomes oxygenated as part of the process of respiration.
Pulmonary vein:The basic function of your pulmonary veins mirrors that of other veins in your body: they transport blood back to your heart. However, unlike all of the other veins in your body, which ultimately deliver deoxygenated blood to your heart, the pulmonary veins carry oxygenated blood to your heart.
Left atrium or auricle:The left auricle, also known as the left atrial appendage (LAA), is actually a small, muscular pouch at the upper corner of the left atrium. It collects oxygenated blood as it leaves the lungs and moves the blood into the left ventricle. ... The RAA is very muscular, and is lined with small muscles on its surface.
Bicuspid valve :It permits blood to flow one way only, from the left atrium into the left ventricle This valve is more commonly called the mitral valve because it has two flaps (cusps) and looks like a bishop's miter or headdress.
Left ventricle:The left ventricle is the thickest of the heart's chambers and is responsible for pumping oxygenated blood to tissues all over the body. By contrast, the right ventricle solely pumps blood to the lungs
Aorta:The aorta is the main artery that carries blood away from your heart to the rest of your body. After the blood leaves the heart through the aortic valve, it travels through the aorta, making a cane-shaped curve that connects with other major arteries to deliver oxygen-rich blood to the brain, muscles, and other cells.
Aortic valve:When the left ventricle contracts (systole), pressure rises in the left ventricle. When the pressure in the left ventricle rises above the pressure in the aorta, the aortic valve opens, allowing blood to exit the left ventricle into the aorta. When ventricular systole ends, pressure in the left ventricle rapidly drops.
Pulmonary valve:The pulmonary valve separates the right ventricle from the pulmonary artery. As the ventricles contract, it opens to allow the de-oxygenated blood collected in the right ventricle to flow to the lungs. It closes as the ventricles relax, preventing blood from returning to the heart.
Septum:The septum separates the atria and ventricles in such a way that it forms a barrier between the heart chambers and this prevents mixing of oxygenated and deoxygenated blood.
Various valves:
- The mitral valve and tricuspid valve, which control blood flow from the atria to the ventricles.
- The aortic valve and pulmonary valve, which control blood flow out of the ventricles.
Pericardium :The pericardial sac has two layers, a serous layer and a fibrous layer. It encloses the pericardial cavity which contains pericardial fluid. The pericardium fixes the heart to the mediastinum, gives protection against infection and provides the lubrication for the heart
pericardial fluid:The pericardial fluid reduces friction within the pericardium by lubricating the epicardial surface allowing the membranes to glide over each other with each heart beat.
Answer:
superior vena cava: The superior vena cava is solely responsible for transporting deoxygenated blood from the upper portion of the body (head, neck, upper limbs, and some organs of the chest) into the heart, which then sends it to the lungs.
Inferior Vena Cava: The inferior vena cava is a vein. It carries deoxygenated blood from the lower half of the body to the right atrium of the heart. The corresponding vein that carries deoxygenated blood from the upper half of the body is the superior vena cava.
Right atrium or auricle :The right auricle of the heart - also called the right atrial appendage (RAA) - is attached to the heart's right atrium…It collects deoxygenated blood from the bloodstream and moves it into the heart's Continue Scrolling To Read More Below...
Tricuspid valve: The tricuspid valve is located between the right atrium (top chamber) and right ventricle (bottom chamber). Its role is to make sure blood flows in a forward direction from the right atrium to the ventricle.
Right ventricle: The lower right chamber of the heart that receives deoxygenated blood from the right atrium and pumps it under low pressure into the lungs via the pulmonary artery.
Pulmonary Artery: The pulmonary artery carries deoxygenated blood from the right ventricle to the lungs. The blood here passes through capillaries adjacent to alveoli and becomes oxygenated as part of the process of respiration.
Pulmonary vein: The basic function of your pulmonary veins mirrors that of other veins in your body: they transport blood back to your heart. However, unlike all of the other veins in your body, which ultimately deliver deoxygenated blood to your heart, the pulmonary veins carry oxygenated blood to your heart.
Left atrium or auricle: The left auricle, also known as the left atrial appendage (LAA), is actually a small, muscular pouch at the upper corner of the left atrium. It collects oxygenated blood as it leaves the lungs and moves the blood into the left ventricle...The RAA is very muscular, and is lined with small muscles on its surface.
Bicuspid valve :It permits blood to flow one way only, from the left atrium into the left ventricle This valve is more commonly called the mitral valve because it has two flaps (cusps) and looks like a bishop's miter or headdress.
Left ventricle: The left ventricle is the thickest of the heart's chambers and is responsible for pumping oxygenated blood to tissues all over the body. By contrast, the right ventricle solely pumps blood to the lungs
Aorta: The aorta is the main artery that carries blood away from your heart to the rest of your body. After the blood leaves the heart through the aortic valve, it travels through the aorta, making a cane-shaped curve that connects with other major arteries to deliver oxygen-rich blood to the brain, muscles, and other cells.
Aortic valve: When the left ventricle contracts (systole), pressure rises in the left ventricle. When the pressure in the left ventricle rises above the pressure in the aorta, the aortic valve opens, allowing blood to exit the left ventricle into the aorta. When ventricular systole ends, pressure in the left ventricle rapidly drops.
Pulmonary valve: The pulmonary valve separates the right ventricle from the pulmonary artery. As the ventricles contract, it opens to allow the de-oxygenated blood collected in the right ventricle to flow to the lungs. It closes as the ventricles relax, preventing blood from returning to the heart.
Septum: The septum separates the atria and ventricles in such a way that it forms a barrier between the heart chambers and this prevents mixing of oxygenated and deoxygenated blood.
Various valves:
The mitral valve and tricuspid valve, which control blood flow from the atria to the ventricles.
The aortic valve and pulmonary valve, which control blood flow out of the ventricles.
Pericardium :The pericardial sac has two layers, a serous layer and a fibrous layer. It encloses the pericardial cavity which contains pericardial fluid. The pericardium fixes the heart to the mediastinum, gives protection against infection and provides the lubrication for the heart
pericardial fluid: The pericardial fluid reduces friction within the pericardium by lubricating the epicardial surface allowing the membranes to glide over each other with each heart beat.
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