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4.1 Key Terms (Aorta (The large arterial trunk that carries blood from the…
4.1 Key Terms
Aorta
The large arterial trunk that carries blood from the heart to be distributed by branch arteries through the body.
Tissues
An integrated group of cells with a common function, structure, or both.
Mitral (Bicuspid) Valve
that lets blood flow from one chamber of the heart, the left atrium, to another called the left ventricle. In mitral valve prolapse, part of the mitral valve slips backward loosely into the chamber called the left atrium.
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Cardiovascular System
The transport system of the body responsible for carrying oxygen and nutrients to the body and carrying away carbon dioxide and other wastes; composed of the heart, blood vessels, and blood.
Inferior Vena Cava
A vein that is the largest vein in the human body and returns blood to the right atrium of the heart from bodily parts below the diaphragm.
valves
A body structure that temporarily closes a passage or orifice, or permits movement of fluid in only one direction.
Aortic Valve
The semilunar valve separating the aorta from the left ventricle that prevents blood from flowing back into the left ventricle.
Pulmonary Valve
semilunar valve of the heart that lies between the right ventricle and the pulmonary artery and has three cusps.
Superior Vena Cava
A vein that is the second largest vein in the human body and returns blood to the right atrium of the heart from the upper half of the body
Pulmonary circulation
The passage of venous blood from the right atrium of the heart through the right ventricle and pulmonary arteries to the lungs where it is oxygenated and its return via the pulmonary veins to enter the left atrium and participate in systemic circulation
Artery
Any of the tubular branching muscular and elastic-walled vessels that carry blood from the heart through the body.
Tricuspid Valve
on the right dorsal side of the mammalian heart, between the right atrium and the right ventricle. The function of the valve is to prevent back flow of blood into the right atrium.
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Atrium
An anatomical cavity or passage; especially a chamber of the heart that receives blood from the veins and forces it into a ventricle or ventricles.
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