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why is the negative pressure in the pleural cavity important? group of answer choices it reduces resistance it increases the gas exchange capability it reduces friction it allows the lungs to follow the
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why is the negative pressure in the pleural cavity important? group of answer choices it reduces resistance it increases the gas exchange capability it reduces friction it allows the lungs to follow the thoracic cavity on expansion

User Thomas Shields
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At rest, there is a negative intrapleural pressure. This provides a transpulmonary pressure, causing the lungs to expand. If humans didn't maintain a slightly negative pressure even when exhaling, their lungs would collapse on themselves because all the air would rush towards the area of lower pressure.tion:

User Swilliams
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