Rahila Ahmed
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Posted 5 year ago
How is oxygen transported from the alveoli to the body cells?
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Nikku Yadav
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Posted 5 year ago Nikku Yadav

The oxygen enters the bloodstream from the alveoli, tiny sacs in the lungs where gas exchange takes place (Figure below). The transfer of oxygen into the blood is through simple diffusion. ... While oxygen moves from the capillaries and into body cells, carbon dioxide moves from the cells into the capillaries.