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The biggest and longest artery (a blood vessel carrying blood away from the heart) in the body. It carries oxygen-rich blood from the left ventricle of the heart to the body.
inferior vena cava
A large vein (a blood vessel carrying blood to the heart) that carries oxygen-poor blood to the right atrium from the lower half of the body.
The left upper chamber of the heart. It receives oxygen-rich blood from the lungs via the pulmonary vein.
The left lower chamber of the heart. It pumps the blood through the aortic valve into the aorta.
The valve between the left atrium and the left ventricle. It prevents the back-flow of blood from the ventricle to the atrium.
The blood vessel that carries oxygen-poor blood from the right ventricle of the heart to the lungs.
The flaps between the right ventricle and pulmonary artery. When the ventricle contracts, the valve opens, causing blood to rush into the pulmonary artery. When the ventricle relaxes, the valves close, preventing the back-flow of blood from the pulmonary artery to the right atrium.
The blood vessel that carries oxygen-rich blood from the lungs to the left atrium of the heart.
superior vena cava
A large vein that carries oxygen-poor blood to the right atrium from the upper parts of the body.
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