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The simplest answer is "arteries," which generally carry oxygen-rich blood from the heart to the body, but the pulmonary veins also carry oxygen-rich blood. The lungs have oxygen that gives oxygen to the cells. Our body is a closed system so the blood never leaves the body system unless we are cut. After the blood has used up all of the oxygen it has the blood is recirculated through the heart and lungs once more! Thus this process goes on and on!

An ARTERY carries oxygen rich or oxygenated blood from the heart to the body cells to give oxygen to them. I remember this by:

Artery Away

Arteries carry oxygen rich blood from the lungs to other parts of the body. Veins return oxygen poor blood to the heart where it gets recirculated through the lungs and then throughout the body again.

The arteries.

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12y ago

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