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Question
Biology
The percentage of O2 in inhaled air is about
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Q. The percentage of $ O_{2} $ in inhaled air is about
BHU
BHU 2007
A
21%
B
16%
C
79%
D
4%
Solution:
The percentage of oxygen in inhaled air is about $21\%$ and oxygen content of the air we expire is about $16\%.$