The amount of carbon dioxide in inhaled air is 0 04 and the amount is exhaled air is about ........

General Science (Easy) Biology

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The amount of carbon dioxide in inhaled air is 0.04% and the amount is exhaled air is about:

0.04%

0.004%

0.4%

4.4%

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Explanation:

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.