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If you mean what route does the blood flow through the heart, there are two circulatory systems. In the pulmonary circulation flow, blood goes through the right atrium, tricuspid valve, right atrium, pulmonary semilunar valve, pumonary arteries to the lungs. In the systemic circulation, blood is returned to the left atrium via pulmonary veins after being oxygenated, then through the bicuspid valve, left atrium, aortic semilunar valve, aortic artery to the rest of the body. Blood is returned to the right atrium via the inferior and superior vena cava veins.

Deoxygenated blood is carried by veins from the body to the right side of the heart. The right ventricle pumps the deoxygenated blood to the lungs via the pulmonary arteries. Oxygen diffuses into the blood in the lungs, and carbon dioxide diffuses out of the blood into the lungs. After oxygenation, blood is carried to the left side of the heart via the pulmonary veins. The left ventricle pumps the oxygenated blood through the aorta, the largest artery in the body, to the rest of the body. The aorta branches into smaller arteries, which branch into arterioles, which branch into capillaries. At the capillaries, oxgen, nutrients, and certain hormones are delivered to the body cells, and the body cells deliver carbon dioxide, wastes, and certain hormones to the blood. The capillaries then form into venules, then veins, which then deliver the deoxygenated blood to the right side of the heart via the vena cavae, the largest veins in the body. This cycle occurs every second of every day of your life.

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Related Questions

Describe the route that blood takes through the cardiovascular system?

I dont know why you dont look in a book.


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