Which part of roots is involved in the exchange of respiratory gases ?

Assertion : Aerobic respiration involves the exchange of respiratory gases twice. Reason : Exchange occurs from lung to heart and then heart to lung.

Assertion : Aerobic respiration involves the exchange of respiratory gases twice. Reason : Exchange occurs from lung to heart and then heart to lung.

The process of osmosis helps in exchange of respiratory gases through the stomata.

How far is the structure of alveoli suitable for the exchange of respiratory gases like oxygen and carbon dioxide?

In heavy smokers the Alveoli of the lungs are enlarged and damaged which reduces the surface area for the exchange of respiratory gases. This condition is called

In heavy smoker the alveoli of the lungs are enlarged and damaged which reduces the surface area of the exchange of respiratory gases this condition is called