Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration. [NEET 20171]
A. Inspiratory Reserve Volume
B. Tidal Volume
C. Expiratory Reserve Volume
D. Residual Volume
Answer:D
Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration. [NEET 20171]
A. Inspiratory Reserve Volume B. Tidal Volume C. Expiratory Reserve Volume D. Residual Volume