Mechanisms That Drive Breathing
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Last updated 10:52 PM on 3/18/26
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6 Terms
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What is pulmonary ventilation?
The movement of air into and out of the lungs (breathing)
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What three pressures drive pulmonary ventilation?
1) Atmospheric pressure (Patm) 2) Intra-alveolar pressure (Palv) 3) Intrapleural pressure (Pip)
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What determines whether air enters or leaves the lungs?
Differences in pressure between the atmosphere and the lungs.
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What is intra-alveolar pressure?
The pressure of air within the alveoli
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What is intrapleural pressure?
The pressure within the pleural cavity
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What is transpulmonary pressure?
The difference between intrapleural and intra-alveolar pressures
