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NEET · Biology · STD 11 - 14. Breathing and exchange in gases
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 & Solution
Correct Answer
(B) Intrapulmonary pressure is lower than the atmospheric pressure during inspiration.
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