Question

The primary site of exchange of gases in our body?

Answer 1

The primary site for the exchange of gases in our body is alveoli. There are 300 millions of alveoli collectively in both the lungs. ... The presence of blood capillaries in the alveoli, result in easy exchange of gases.

Answer 2

The primary site of exchange of gases in our body is alveoli.

There are 300 millions alveoli collectively in both lungs.

Hope that this helps you .