Changes

[[Image:Central nervous system.png|thumb|200px|A diagram showing the CNS:<br />'''1.''' Brain<br />'''2.''' Central nervous system<br />&nbsp;&nbsp;&nbsp;&nbsp;<small>(brain and spinal cord)</small><br>'''3.''' 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.