As the volume of the chest wall increases, the concomitant expansion of the lungs is due to a(n)

A) increase in intrapleural pressure.
B) decrease in intra-alveolar pressure.
C) increase in atmospheric pressure.
D) increase in transpulmonary pressure.
E) decrease in transpulmonary pressure.


Answer: D) increase in transpulmonary pressure.

Biology & Microbiology

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