Zoology-Gas Exchange
NEET Zoology Gas Exchange MCQ Question
Type: MCQ-conceptual-Easy-Class 11
Which of the following statements about gas exchange in the respiratory system is correct?
A
Gas exchange occurs primarily in the alveoli where O2 and CO2 diffuse between blood and air.
B
Gas exchange takes place in the conducting part of the respiratory system.
C
The alveoli are responsible for transporting air to the thoracic chamber.
D
Residual volume is the volume of air exchanged during normal breathing.
Correct Answer
Option A
Detailed Explanation
Gas exchange specifically occurs in the alveoli, which are part of the exchange region of the respiratory system, where the diffusion of O2 and CO2 takes place. The conducting part serves mainly to transport and condition the air, not to facilitate gas exchange.
Found an issue with this question?