Question

What are the functions of exhalation?

Answer 1

Exhalation, the lungs recoil to force the air out of the lungs. The intercostal muscles relax, returning the chest wall to its original position. During exhalation, the diaphragm also relaxes, moving higher into the thoracic cavity.

External Respiration Exchanges Gases Between the Lungs and the Bloodstream

Internal Respiration Exchanges Gases Between the Bloodstream and Body Tissues