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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 became:

A

There is a positive intrapleural pressure

B

Pressure in the lungs is higher than the atmospheric pressure

C

There is a negative pressure in the lungs

D

There is a negative intrapleural pressure pulling at the lung walls

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SARAS PUBLICATION-PLANT PHYSIOLOGY-EXAMPLE
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