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Biology
What is the approximate normal composition of alveolar air?
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Q. What is the approximate normal composition of alveolar air?
Breathing and Exchange of Gases
A
$14\%$ oxygen, $6\%$ carbon dioxide, $80\%$ nitrogen
B
$21\%$ oxygen, $2\%$ carbon dioxide, $77\%$ nitrogen
C
$16\%$ oxygen, $3\%$ carbon dioxide, $81\%$ nitrogen
D
$10\%$ oxygen, $8\%$ carbon dioxide, $82\%$ nitrogen
Solution:
Correct answer is (a) $14\%$ oxygen, $6\%$ carbon dioxide, $80\%$ nitrogen