22. The Respiratory System
Pressure in the Lungs and Pleural Cavity
Problem 5
Textbook Question
Textbook QuestionWhen the diaphragm and external intercostal muscles contract, (a) exhalation occurs, (b) intrapulmonary pressure increases, (c) intrapleural pressure decreases, (d) the volume of the lungs decreases, (e) the size of the thoracic cavity increases.
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