Biology, asked by geetapari, 1 year ago

what is residual air ?what is its role

Answers

Answered by Vanshita611
8
It's the air which left remains even after excess exhalation.
It's role is very specified that it has a pressure which have to put after excess exhalation.
Hope it helps u dear
Answered by PratikRatna
4
hello friend...

Residual air is the air present in the lungs even after forcefully expiration. this air prevent lungs to collapse. it's amount is 60-100 cubic inches.

hope it will help you.
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