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Question: What directs the flow of Red Blood Cells in the human body?
Red blood cells are directed through the body by the cardiovascular system, which is made up of the heart, arteries, veins, and capillaries. The heart pumps blood through the arteries, which then branch into smaller blood vessels called arterioles. From the arterioles, the blood flows through the capillaries, the smallest blood vessels, where it exchanges nutrients and oxygen with the cells of the body. After leaving the capillaries, the blood flows through the veins, which transport it back to the heart to be re-oxygenated and circulated again.
March 3, 2023, 11:24 a.m.
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