PARASYMPATHETIC NERVOUS SYSTEM

Part of what keeps your heart under control is the parasympathetic nervous system, often thought of as the ____________________________________ part of your nervous system.

calming

The ________________________________ nervous system deals with the crisis of now while the _______________________________ nervous system deal with everything else.

sympathetic, parasympathetic

A big difference between the parasympathetic and sympathetic nervous systems is that in the parasympathetic nervous system the postganglionic cells release _______________________________ rather than norepinephrine.

ACh

. The biggest anatomical difference between these two systems has to do with the physical networks that they form throughout your body. The vast majority of the parasympathetic nerves never go through the ___________.

spinal cord

There are ____ cranial nerves

12

If you're gonna commit one of those cranial nerves to memory, it should be the ___________________ nerve.

vagus

The functions of the vagus nerve are mostly VOLUNTARY INVOLUNTARY

involuntary

When you mow down half a pizza, your stomach sends signals from your stomach to your brain, telling it that it's full. In response, your brain sends other messages down your vagus nerve, triggering other parasympathetic responses like:

____________________________________ your heart.

Putting some _____________________________ back into storage.

Reducing all of the _________________________ that your sympathetic system was pumping out.

Slowing down, glucose, norepinephrine

Most of the time, our SYMPATHETIC PARASYMPATHETIC tone is dominant.

parasympathetic