Air enters in the lungs in a tiny cavity called alveoli. Oxygen diffuses into our blood from alveoli. The average radius of alveoli is 0.005 cm and air inside it contains 21% `O_(2)` and 79% `N_(2)`. Assuming that the pressure in the aveoli is 1 atm at body temperature of `37^(@)C`. Number of `O_(2)` molecules in one alveoli is :A. `2.6 xx 10^(12)`B. `2.6 xx 10^(13)`C. `2.6 xx 10^(14)`D. `2.6 xx 10^(15)`

Air enters in the lungs in a tiny cavity called alveoli. Oxygen diffus

1.	Air enters in the lungs in a tiny cavity called alveoli. Oxygen diffuses into our blood from alveoli. The average radius of alveoli is 0.005 cm and air inside it contains 21% `O_(2)` and 79% `N_(2)`. Assuming that the pressure in the aveoli is 1 atm at body temperature of `37^(@)C`. Number of `O_(2)` molecules in one alveoli is :A. `2.6 xx 10^(12)`B. `2.6 xx 10^(13)`C. `2.6 xx 10^(14)`D. `2.6 xx 10^(15)`
Answer» Correct Answer - A

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