Biology, asked by tarunmittal8257, 1 year ago

Why do lungs always contain a residual volume of air?

Answers

Answered by Anonymous
7
Because for exchange of gases so that respiration take place easily...

I THINK IT'S HELP YOU
Answered by Anonymous
6
hey

lungs have got residual volume which is fixed amount of air present in lungs which provides sufficient time for exchange of gases.

hope it helps.
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