what is the percentage of oxygen in expired air when a person is resting
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3
Answer:
Gas % in inhaled air % in exhaled air
Oxygen 21 16
Carbon dioxide 0.04 4
Nitrogen 79 79
Answered by
3
Answer:
16%
Exhaled air contains less oxygen and more carbon dioxide, it is also saturated with water vapour. Exhaled air contains: 78% nitrogen. 16% oxygen.
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