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What molecules frorn food and air end up in the cells in the body?
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What molecules frorn food and air end up in the cells in the body?

User Heyman
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Molecules from food and molecules of oxygen move from the mouth and the nose to cells of the body through a series of blood vessels, including veins, arteries, and microscopically small blood vessels (capillaries), that extend throughout the body.
User Andrew Goodnough
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