The force responsible for normal resting expiration is supplied by

Question

Quizplus · Accepted Answer

Normal resting expiration is passive and results from the elastic recoil of the lungs. The diaphragm and external intercostal muscles are responsible for normal resting inspiration. Bronchial smooth muscle dilation and contraction is involved in regulating airway resistance, but not in normal resting expiration. The sternocleidomastoid muscles are not involved in either inspiration or expiration during normal breathing.

The Force Responsible for Normal Resting Expiration Is Supplied by