Amount of `CO_(2)` in expired air is aboutA. 0.0004B. 0.0003C. 0.21D. – InterviewSolution

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1.	Amount of `CO_(2)` in expired air is aboutA. 0.0004B. 0.0003C. 0.21D. 0.045
Answer» Correct Answer - 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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