Biology, asked by sumanagarwala254, 6 months ago

Why do we say exhaled air is rich in carbon dioxide and not oxygen although exhaled air consists more percentage of oxygen.

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Answered by uniyalsanjana5
2

Answer:

The amount of inhaled air contains 21% of oxygen and 0.04% of carbon dioxide, while the air we breathe out contains 16.4% of oxygen and 4.4% of carbon dioxide. This is because our cells use oxygen from the inhaled air to release energy and give out carbon dioxide as a byproduct.

Explanation:

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