When alveolar pressure is equal to atmospheric pressure, air flows into the lungs.
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Q23: Flow of air
A) is directly proportional to
Q24: Chronic inhalation of fine particles that reach
Q25: If a student inhales as deeply as
Q26: An increase in PCO₂ would cause
A) the
Q27: Air moves out of the lungs because
A)
Q29: When the diaphragm and external intercostal muscles
Q30: According to the law of LaPlace, when
Q31: Active expiration is produced by contraction of
A)
Q32: Poiseuille's law is summarized this way.
A)
Q33: Blood vessels cover approximately _% of the
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