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Lungs do not collapse between breaths an...

Lungs do not collapse between breaths and some air always remains in the lungs which can never be expelled because

A

there is a negative pressure in the lungs

B

there is a negative intrapleural pressure pulling at the lung walls

C

there is a positive intrapleural pressure

D

pressure in the lungs is higher than the atmospheric pressure

Text Solution

Verified by Experts

The correct Answer is:
B
Lungs do not collapse between breathes some air always remains in the lungs which can never be expelled because there is negative intrapleural pressure pulling at the lung well.
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