The External Intercostals are Important in _______

Question

The external intercostals are important in _______.
A) chewing
B) breathing
C) isometric exercise
D) turning the head

Accepted Answer

The external intercostals are muscles that are located between the ribs, and they assist in the process of inhaling by lifting the ribcage and expanding the chest to allow air to enter the lungs. Therefore, they are important in breathing.