Question

what is blood circulation..??

Answer 1

Blood circulation is the process in which blood transfers nutrients and oxygen to all cells in the body. The arteries carry blood away from the heart; the veins carry it back to the heart.


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Answer 2

The blood circulatory system (cardiovascular system) delivers nutrients and oxygen to all cells in the body. It consists of the heart and the bloodvessels running through the entire body. The arteries carry blood away from the heart; the veins carry it back to the heart.