Question

In normal exhalation, the diaphragm and intercostal muscles relax to contract the chest, which creates a positive pressure. This is what type of process?

A) Inspiration
B) Active
C) Passive
D) Respiration

Answer 1

Answer: c.passive

Explanation:

Exhalation is normally a passive process. To exhale, the diaphragm and intercostal muscles relax to make the chest contract, creating a positive pressure that pushes air out.