Divisions of the Nervous System
What are the two main divisions of the Nervous System?
Peripheral and Central
Which part of a neuron receives impulses from a previous neuron?
The Dendrite
1.) The parasympathetic response is responsible for:
2.) The sympathetic response is responsible for:
1.) Rest/Digest/Calm
2.) Stress/Fight/Flight
A rhyming phrase for the PNS is....
"Rest and Digest"
T or F, the Vagus nerve is the longest cranial nerve in the body?
True!
The Central Nervous System is the integration and *blank* of the body.
Control Center
What do Synaptic Bulbs store?
Neurotransmitters
It becomes shallow and/or rapid, limiting oxygenation of the body.
How does the PNS affect the digestive system?
It improves digestion
Aids in the development of insulin
Balances appetite and cravings
Which organs does the Vagus nerve communicate with?
Eyes, Heart, Lungs, Bladder, Stomach/Intestines, Liver, Pancreas
The Autonomic Nervous System sends signals from the brain to smooth muscles. Some examples of organs with smooth muscles are:
Intestines, stomach, esophagus, bladder, iris
What is the Myelin Sheath made of?
Lipids
What happens to the pupils of the eye when the stress response is activated?
The pupil dilates
What major nerve is responsible for activating the PNS?
The Vagus Nerve
Which Autonomic Response is the Vagus Nerve responsible for?
The Somatic Nervous System has which type of function: involuntary or voluntary?
Voluntary
Where is the Axon Hillock located?
where the axon joins the cell body (sort of like a brainstem to a brain)
The sympathetic response is stimulated buy which organ of the Limbic System?
The Amygdala
What are three ways to activate the parasympathetic response?
Deep breathing
Yawning
Signing
Softening the Eyes
What does yawning, signing, and deep breathing all have in common?
They stimulate the muscles affected by the Vagus nerve, and through that stimulation- activate the Parasympathetic Response.
The Motor Division sends messages from the brain to *blank* and *blank*
Muscles and Glands
What part of an existing neuron passes impulses on to the next neuron?
Axon terminals
What happens to the pancreas when the parasympathetic nervous system is functioning well?
It releases insulin for optimal cell use, and balances glucose levels in the body.
What happens to the pancreas when the parasympathetic nervous system is functioning well?
It releases insulin for optimal cell use, and balances glucose levels in the body.
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