Question

question 32 which of the following statements regarding the action of the diaphragm is not true? when the diaphragm contracts it moves downward. a quiet, unforced exhalation is a passive process because it does not require an the intercostal muscles assist inhalation by raising the rib cage. air flows into the lungs with exhalation.

Explanation:

Inhalation is when air flows into the lungs and exhalation is when air flows out. Inter - costal muscles assist in inhalation by raising the rib cage. Quiet, unforced exhalation is a passive process as it doesn't require muscle contraction. When the diaphragm contracts, it moves downward. Air does not flow into the lungs with exhalation; it flows out.

Answer:

A. Air flows into the lungs with exhalation.