Question
Biology Question on The respiratory system
Name the actual site of exchange of gases in the lungs.
A
alveoli
B
pleura
C
bronchioles
D
trachea
Answer
alveoli
Explanation
Solution
The actual site is the exchange part of the respiratory system through which the exchange of O between the blood and atmospheric air takes place. Alveoli are the part of lungs at which this exchange takes place.