Question

How the alveoli design to maxmie the change of gasses

Answer 1

hii
here is your answer.
.
.
Alveoli provides the surface for the exchange of gases. An extensive network of blood vessels is present in the wall of the alveoli. Air is sucked into the lungs and alveoli. the oxygen from the breathe,diffuses into the blood and CO2 from the blood brought diffuses out into the air