This involuntary nerve arising from the third, fourth, and fifth levels of the spinal cord innervates the diaphragm.
This involuntary nerve arising from the third, fourth, and fifth levels of the spinal cord innervates the diaphragm. A mnemonic for this nerve is: "C3, C4, and C5 keep the diaphragm alive." If a break to the neck in this region tragically occurs, the patient may need a tracheotomy and respirator until the intercostals muscles between the ribs take over adequately. For ten points, name this non-cranial nerve.
This involuntary nerve arising from the third, fourth, and fifth levels of the spinal cord innervates the diaphragm.
{phrenic} nerve