Ques. Select the correct statement.
A. Expiration occurs due to external intercostal muscles.
B. Intrapulmonary pressure is lower than the atmospheric pressure during inspiration.
C. Inspiration occurs when atmospheric pressure is less than intrapulmonary pressure.
D. Expiration is initiated due to contraction of diaphragm.
Answer:B
Ques. Select the correct statement.
A. Expiration occurs due to external intercostal muscles. B. Intrapulmonary pressure is lower than the atmospheric pressure during inspiration. C. Inspiration occurs when atmospheric pressure is less than intrapulmonary pressure. D. Expiration is initiated due to contraction of diaphragm.