There are 12 cranial nerves in the body, all originating in the brain. They come in pairs and connect different body areas and organs to the brain. Cranial nerves can transmit two types of information ...

The vagus nerve is one of 12 pairs of cranial nerves in the body. It’s involved in various bodily functions, including digestion, heart rate, and breathing. There are 12 cranial nerves in the body.

A complex system of nerves and muscles enables the human eye to blink, gaze, and shift focus. The trochlear nerve is one of six cranial nerves that carry electrical impulses from the brain to the eye.

This illustration is a lateral view of the brain stem. Note that cranial nerves V and VII arise in pons and IX, X and XII arise in medulla. In medulla, these nuclei are closely packed and can be ...