When inspiratory muscles contract, what happens to alveolar volumes and alveolar pressure?
A) Alveolar volumes increases and alveolar pressure increases
B) Alveolar volumes increases and alveolar pressure decreases
C) Alveolar volumes decreases and alveolar pressure increases
D) Alveolar volumes decreases and alveolar pressure decreases

Question

Quizplus · Accepted Answer

When inspiratory muscles contract, the thoracic cavity expands, increasing alveolar volume. This expansion causes a decrease in alveolar pressure, allowing air to flow into the lungs.

When Inspiratory Muscles Contract, What Happens to Alveolar Volumes and Alveolar