Ques. Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of
A. inspiratory reserve volume
B. tidal volume
C. expiratory reserve volume
D. residual volume.
Answer:D
Ques. Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of
A. inspiratory reserve volume B. tidal volume C. expiratory reserve volume D. residual volume.