Which Muscle is Dome-Shaped and Functions in Inspiration

Question

Which muscle is dome-shaped and functions in inspiration?
A)External intercostals
B)Diaphragm
C)Internal intercostals
D)Subclavius

Accepted Answer

The diaphragm is a dome-shaped muscle that separates the thoracic cavity from the abdominal cavity. It contracts during inspiration, increasing the volume of the thoracic cavity and drawing air into the lungs.