the percentage of oxygen in exhaled air is
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Answered by
4
Answer:
16%
Explanation:
16% is
the ans........
Answered by
6
Answer:
16%
Explanation:
The air we breathe in is 21% O2 and 79% N2, (neglecting humidity). ... In addition, the blood contains some carbon dioxide (a waste product) that is transferred to the air in the lungs, which is then exhaled. The result is that the exhaled air contains less oxygen and more carbon dioxide than the inhaled air.
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