How do co2 and o2 move in and out of cells?
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Answer: Oxygen and carbon dioxide move across cell membranes via simple diffusion, a process that requires no energy input and is driven by differences in concentration on either side of the cell membrane.
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As oxygen-rich (and carbon dioxide-poor) blood travels by a cell the oxygen diffuses through the cell membrane to the area of lower concentration inside the cell. ... The mitochondria creates carbon dioxide (CO2) as a waste product of cellular respiration (the process that makes energy for your body).
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