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Amount of CO(2) in expired air is about...

Amount of `CO_(2)` in expired air is about

A

0.0004

B

0.0003

C

0.21

D

0.045

Text Solution

Verified by Experts

The correct Answer is:
D
`CO_(2)` content in atmosphere is 0.04% while in expired air it is 4.5%. In alveolar air, `CO_(2)" is "6%, O_(2)" is "14% "and "N_(2)` is 80%
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