Which of the following muscles change the size of the chest for breathing?

A) transverses abdominis muscle
B) external oblique muscles
C) transverses thoracis muscle
D) intercostal muscles

Intercostal Muscles

Muscles located between the ribs that play a key role in the mechanical aspect of breathing by assisting in the expansion and contraction of the chest cavity.

Change the Size

A process or action that results in an alteration of the dimensions, proportions, or magnitude of an object or entity.

Transverses Abdominis Muscle

A muscle layer of the anterior and lateral abdominal wall which is deep to the internal oblique muscle.