Multiple Choice
Which of the following does not occur during expiration when a person is breathing quietly?
A) The size of the thoracic cavity is reduced.
B) The intra-alveolar pressure becomes greater than atmospheric pressure.
C) Air flows out of the lungs.
D) The expiratory muscles contract.
E) Intrapleural pressure is less than intra-alveolar pressure.
Correct Answer:
Verified
Correct Answer:
Verified
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