Question

The human blood entering lungs has co2 partial pressure of

Answer 1

The partial pressure of CO2 is around 40mm of Hg when it enters the alveoli. Where Oxygen is 21% of the inhaled air and having around 104 mm of Hg partial pressure.

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Answer 2

hey friend here is your answer ......☺☺☺

firstly as the air enters the lungs , it is humidified by the upper air way and thus the partial pressure of water vapor ( 47 mmhg ) reduces the oxygen partial pressure to about 150 mmHg .

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