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Standard VI
Chemistry
Respiration
The O 2 in t...
Question
The O
2
in the exhaled air is
A
About 8%
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B
About 10%
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C
About 15%
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D
About 20%
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Solution
The correct option is
D
About 15%
In respiration, the human body exhales about 15% of the oxygen that is not utilized by the body.
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