The exchange of gases [O2 and CO2] in a mammal takes place in
Trachea
Bronchi
Bronchioles
Alveoli
Alveoli are the tiny sac-like structures which provide the interphase for the exchange of O2 and CO2.
The exchange of gases O2 and CO2 in a mammal takes place in
The actual exchange of gases in a mammal takes place in
Exchange of gases takes place in the ________.