What do we breathe out? What is the percentage of oxygen and carbon dioxide in our exhaled air?

asked Oct 18, 2022 221k views

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1. We breathe out CARBON DIOXIDE
2. Consequently, we exhale 16% of oxygen and 4% carbon dioxide

Tmhalbert answered Oct 21, 2022

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We breathe out carbon dioxide it’s percentage in exhaled air is about 4%-5% by its volume

Hardmath answered Oct 25, 2022

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