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Name:  Will
Status:  student
Age:  17
Location: N/A
Country: N/A
Date: 2000-2001
Question:
What percent of the air we exhale is oxygen? carbon dioxide?

Replies:
Atmospheric Air
N2= 78.62%
O2=20.84%
CO2=0.04%

Alveolar Air
N2=74.9%
O2=13.6%
CO2=5.3%

Steve

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