Biology · Human Physiology
During normal quiet inspiration, which pressure gradient is primarily responsible for the inflow of air into the lungs?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Intrapleural pressure becomes equal to atmospheric pressure
- 2Intrapleural pressure exceeds intrapulmonary pressure
- 3Intrapulmonary pressure falls below atmospheric pressure✓
- 4Intrapulmonary pressure becomes higher than atmospheric pressure
Correct answer
Intrapulmonary pressure falls below atmospheric pressure
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