Question

air contains mixture if all gas...while breathing human beings inhale oxygen.. does other gases too enter inside?

Answer 1

heya dear your answer ______$
yes we inhale all gases but as our lungs act as filter they filters oxygen and when we respire this other gases comes out...

Answer 2

Yes
when we breathe, we inhale all of the gases in the mixture. But our lungs allow only oxygen to mix with blood cells.

And when we exhales, other gases come out with carbon dioxide.