Question

most axons of the parasympathetic nervous system travel in the ______ nerve.
multiple choice
vagus
trigeminal
splanchnic
facial
sciatic

Explanation:

The vagus nerve is the main nerve of the parasympathetic nervous system. It has a wide distribution, innervating many organs such as the heart, lungs, and digestive tract. The trigeminal nerve is mainly involved in facial sensation and mastication. The splanchnic nerves are related to the sympathetic nervous system in some abdominal - related functions. The facial nerve is mainly for facial muscle movement and taste (in part). The sciatic nerve is a major nerve in the lower limb for motor and sensory functions.

Answer:

vagus