Question

How the alveoli are designed to ensure maximum exchange of gases.
I will give rupees 5 if u answered my question correctly

Answer 1

1.they are bubble in shape so they can expand and relax when we breath and exhale
2.they are thin and delicate for easy exchange of gases
3.they are so many which means more exchange of gases
hope this would help u



then my 5 rupees ,

no need just kidding