Physics NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 10 PCB MCQ (Single Correct)

The negative pressure in lungs causes inspiration. The negative pressure develops when

A
intrapulmonary pressure is higher than atmospheric pressure
B
intrapulmonary pressure is less than atmospheric pressure
C
intrapulmonary pressure is equal to atmospheric pressure
D
intra-alveolar pressure is less than intrapulmonary pressure.

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Text Solution

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The correct answer is:
B

During inspiration, intrapulmonary pressure (pressure in lungs) is less than atmospheric pressure.

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