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[[Image:Central nervous system.png|thumb|200px|A diagram showing the CNS:<br />'''1.''' Frontal lobe<br />'''2.''' Parietal lobe<br />'''3.''' Temporal lobe<br />'''4.'''Occipital lobe<br />'''5.'''Cerebellum<br />'''6.'''Spinal cord]]

[[Image:Central nervous system.png|thumb|200px|A diagram showing the CNS:<br />'''1.''' [[Frontal lobe]]<br />'''2.''' [[Parietal lobe]]<br />'''3.''' [[Temporal lobe]]<br />'''4.''' [[Occipital lobe]]<br />'''5.''' [[Cerebellum]]<br />'''6.''' [[Spinal cord]]]]

The '''central nervous system''' (CNS) in its most simple divisions consists of all [[nervous tissue]] in the spinal cord and the brain. It is the largest division of the [[nervous system]] and has primary control over all organism behavior.  

The '''central nervous system''' (CNS) in its most simple divisions consists of all [[nervous tissue]] in the spinal cord and the brain. It is the largest division of the [[nervous system]] and has primary control over all organism behavior.