Class 11 NEET Biology Breathing and Exchange of Gases

© examsiri.com

Question : 16 of 65

Marks: +1, -0

Select the correct statement.

[NEET OD 2019]

Expiration occurs due to external intercostal muscles
Intrapulmonary pressure is lower than the atmospheric pressure during inspiration.
Inspiration occurs when atmospheric pressure is less than intrapulmonary pressure.
Expiration is initiated due to contraction of diaphragm.

Go to Question:

Prev Question

Next Question