Science, asked by Mprashanth, 1 year ago

why can we breathe only oxygen gas even when number of gases present in air

Answers

Answered by niteshpriya

Basically when air fills our alveoli, by the process of diffusion, only oxygen in the air is taken into the blood stream while the other gases along with the waste CO2 is exhaled. So you do breathe in nitrogen, but it is exhaled as it is by the body.

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