Peripheral and central nervous system - Peripheral nervous system

6 important questions on Peripheral and central nervous system - Peripheral nervous system

Where does the pheripheral nervous system consist of?

  • Cranial nerves
  • Ganglia outside SNS
  • Spinal nerves

Where does the autonomic nervous systems consist of?

- Sympathetic division
- Parasympathetic division
- Enteric nervous system

What is the difference in function between the sympathetic divison and the parasympetathic division?

The parasympathetic divison is for calming, self-maintenance and the sympetathic division is for arousal and energy generation.
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What is the function of the enteric nervous system?

This system exerts direct and partially independent control over the digestive tract, pancreas and gallbladder.

What is the difference between the para and sympathetic nervous system, in where the nervers are exiting into the CNS

The parasympathetic nerves exit the CNS at the base of the brain or spinal cord and form synapses in ganglia near or within the internal organs. Instead of the sympathetic nerves who exit the CNS midway along the spinal cord and form synapses in ganglia located just outside the spinal cord.

What is the difference in neurotransmitter between the para and the sympathetic nervous system?

The preganglionic neurons in the parasympathetic nervous system releases acetylcholine but the neurons in the sympathetic nervous system releases norepinephrine. Which results in the opposite effects in your body.

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