The Diaphragm Muscle is Innervated by ________

Question

The diaphragm muscle is innervated by ________.
A) cranial nerve X
B) the phrenic nerves
C) the intercostal nerves
D) the subcostal nerves
E) the thoracic nerves

Accepted Answer

The diaphragm muscle is innervated by the phrenic nerves, which originate from the cervical spine (C3-C5). These nerves control the contraction of the diaphragm, which is essential for breathing.