Which Part of the Respiratory System is Composed of Skeletal

Question

Which part of the respiratory system is composed of skeletal muscle?
A) diaphragm
B) lungs
C) trachea
D) larynx
E) glottis

Accepted Answer

The diaphragm is a large, dome-shaped muscle that plays a major role in respiration. It separates the thoracic cavity from the abdominal cavity and contracts during inhalation, creating negative pressure that allows air to enter the lungs.