During a cough, what is responsible for constricting the size of the trachea?
A) closure of the soft palate
B) cartilage
C) smooth muscle
D) epiglottis
E) skeletal muscle

Question

Quizplus · Accepted Answer

The smooth muscle in the trachea, specifically the trachealis muscle, contracts during a cough to constrict the trachea, increasing the velocity of air expelled to help clear irritants.

During a Cough, What Is Responsible for Constricting the Size