Activation of the sympathetic nervous system causes _____.

The mesencephalic aqueduct runs _____.

_____ is NOT one of the three primary divisions of the trigeminal nerve.

Depolarization of a neuron occurs because _____.

The _____ is the part of the brain that links the nervous and endocrine systems.

The longitudinal fissure divides the _____.

The brachial plexus is formed from spinal nerves _____.

The splanchnic sympathetic neurons access organs by _____.

Sodium channels on the axon are _____.

Within the cerebellum, the tracts are arranged in a structure called the _____.