Which muscle(s)is (are)contracted to exhale forcibly?
A) diaphragm alone
B) external intercostals and diaphragm
C) internal intercostals and rectus abdominus
D) rectus abdominis and diaphragm

Question

Quizplus · Accepted Answer

The internal intercostal muscles and rectus abdominus muscles are contracted to forcefully exhale. The internal intercostals depress the ribs, while the rectus abdominus contracts to increase the pressure in the abdominal cavity, pushing the diaphragm upwards and pushing air out.

Which Muscle(s)is (Are)contracted to Exhale Forcibly