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Inspiration occurs when there is a negat...

Inspiration occurs when there is a negative pressure in the lungs with respect to atmospheric pressure. This negative pressure is achieved when

A

the volume of the lung increase while the pressure in the lung decreases

B

the volume of the lung decreases while the pressure in the lung increases

C

the volume of the lung increases while the pressure in the lung increases

D

the volume of the lung decreases while the pressure in the lung decreases

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The correct Answer is:
A
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Asertiion : Inspirations occurs when there is a negative pressure in the lungs with respect to the atmospheric pressure. Reason : During inspiration, a decrease in pulmonary volume increases the intre-pulmonary pressure than atmospheric pressure which forces the air from outside to moe into the lungs.

The normal atmospheric pressure is :

Inspiration can occur , when -

Inspiration occurs when intra-pulmonary pressure is

Negative pressure inside lungs is created due to

Root pressure is maximum when :

For a solution at atmospheric pressure

Liquid pressure and atmospheric pressure

Root pressure is maximum when

Inspiration is achieved when