Using a simple table distinguish between the composition of inhaled and exhaled air.


The composition of inhaled air has the same composition as normal air, while Exhaled air contains more carbon dioxide and less oxygen.

Air Composition Inhaled Air Exhaled Air
1. Nitrogen 78% 78%
2. Oxygen 20.95% 13.6%
3. Carbon dioxide 0.04% 4.4%
4. Inert gas (Argon, Neon, Helium) 1% 1%
5. Water vapour 0.04%

5.0%

Note- Percentage are not exact they are approx.

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Simply Easy Learning

Updated on: 27-Mar-2023

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