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What role does your heart play in delivering oxygen to your body cells? The heart breaks down carbon dioxide into carbon and oxygen. The heart pumps oxygen-rich blood to your body cells. The heart pumps oxygen through the alveoli, which deliver it to body cells. The heart takes in oxygen from the environment and delivers it to cells.

Kathy Robinson

in Biology

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Donald Ward on February 2, 2019

B is the correct answer

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