Changes

The '''nervous system'' is the set of [[neurons]] and support structures that process and organize information from the [[senses]] and bodily organs, analyze and coordinate appropriate responses and control the behavioral actions of an [[organism]]. All anatomical structures of the nervous system are made up of [[nervous tissue]].  

The '''nervous system''' is the set of [[neurons]] and support structures that process and organize information from the [[senses]] and bodily organs, analyze and coordinate appropriate responses and control the behavioral actions of an [[organism]]. All anatomical structures of the nervous system are made up of [[nervous tissue]].  

Nervous systems first developed in the chordates with the some of the simplest systems represented in [[flatworms]] which has two nerve cords running on opposite sides which connect with a simple [[brain]] called [[ganglia]].  

Nervous systems first developed in the chordates with the some of the simplest systems represented in [[flatworms]] which has two nerve cords running on opposite sides which connect with a simple [[brain]] called [[ganglia]].