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To transmit information
To receive and respond to stimuli
Maintain homeostasis
ANATOMY
There are 3 divisions:
Central Nervous System:
Brain
Spinal cord
Peripheral Nervous System:
Cranial nerves
Spinal nerves
Autonomic Nervous System:
Sympathetic branch
Parasympathetic branch
THE NEURON
Basic unit of nervous system
Combine to form nerves
3 types:
Sensory - afferent
Connectors
Motor – efferent
Impulses travel in one direction
Synapse is a junction between two neurones
Neuro-transmitters – Chemicals produced by axon terminals to enable or inhibit a nerve impulse to travel across synapse
Myelin Sheath – Fatty insulating coating on some neurons
Nodes of Ranvier – Indentations in myelin sheath at certain points
Neurilemma- Fine membrane covering myelin sheath
"The anatomy and physiology courses are very easy to use, you don't have to be a computer wiz. The tutor giving the lectures is very good and it feels as if your are sitting in the classroom with her. I like the fact that you are able to pause the films to complete worksheets and that you can go back and watch the films over again. Overall, it's a very good course and well worth the money."
- Yianna Ioannou -
GM Tree Training Ltd
5 Clumber Drive
Frome
Somerset BA11 2LG
United Kingdom
T: +44 (0)7392 745790
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