Which structure of lungs is directly involved in `O_(2)//CO_(2)` exchange between air and blood capillaries?

Which structure of the lungs is directly involved in O_(2)//CO_(2) exchange between air and blood capillary? (A) Bronchi (B) Trachea (C) Alveoli (D) Secondary bronchi

Name the biological principle involved in the exchange of gas between lungs and blood.

The exchange of gases between alveolar air and alveolar capillaries occurs by

How are gases like O_(2) and CO_(2) exchanged in our body ?

How are gases like O_(2) and CO_(2) exchanged in our boby ?

Enzyme involved in CO_(2) transport blood is

Between O_(2) and CO_(2) which one is present more in arterial blood ?