Constriction of smooth muscle in the bronchioles
A) occurs during periods of exercise.
B) restricts the flow of air into the lungs.
C) decreases ciliary action.
D) increases airflow out of the lungs.
E) does not affect airflow.

Question

Quizplus · Accepted Answer

Constriction of smooth muscle in the bronchioles restricts the flow of air into the lungs, making it harder to breathe. This is a characteristic of conditions like asthma.

Constriction of Smooth Muscle in the Bronchioles