A member asked:

Hi when we exhale ! . do we just breath out carbon dioxide or when we exhale , we always exhale oxygen bottom line we dont just purely exhale carbon dioxide ,oxygen is also there every time we exhale .

A doctor has provided 1 answer

Dr. Stuart Hickerson answered

Specializes in Family Medicine

Gasses: Exhaled gasses contain the following: 78 percent nitrogen, 15 to 18 percent oxygen, 4 to 5 percent carbon dioxide and 0.96 % argon.

Answered 11/20/2019

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A member asked:

Hi when we exhale ! . do we just breath out carbon dioxide or when we exhale , we always exhale oxygen bottom line we dont just purely exhale carbon dioxide ,oxygen is also there every time we exhale .

A doctor has provided 1 answer

Dr. Stuart Hickerson answered

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