meadowbennett13
meadowbennett13
20-12-2017
Biology
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How does the circulatory system work?
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eastsidebaby
eastsidebaby
20-12-2017
The blood circulatory system delivers nutrients and oxygen to all cells in the body. It consists of the heart and the blood vessels running through the entire body. The arteries carry blood away from the heart; the veins carry it back to the heart
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