Question

ASSERTION Diffusion of gases occurs in the alveolar region only and not in the other parts of
the respiratory system
REASON. Each bronchiole terminates into an irregular walled, vascularised bag like structure alveoli ​

Answer 1

Answer:

Diffusion of gases occurs in the alveolar region only and not in the other parts of respiratory system. ... The exchange of O2andCO2 takes place between the blood capillaries surrounding the alveoli and the gases present in the alveoli. Thus, the alveoli are the sites for gaseous exchange.

Explanation:

Sorry but I don't know this one - REASON. Each bronchiole terminates into an irregular walled, vascularised bag like structure alveoli . Sorry