Phylum   Platyhelminthes,   Class
   Turbellaria.
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   Planarians  have a mouth at the tip of a pharynx to take food into the
   gastrovascular cavity (intestines).
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   Waste is excreted through the mouth.
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   The  nervous system is organized into two nerve cords and clustered in
   anterior ganglia.
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   Eyespots (ocelli) can detect light.
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   Planaria:  <A ClAsS=MID Href="../../../med/Vid/Johnson4e/Wmv/Planaria.wmv" oNClick="popurlt('../../../../med/Vid/Johnson4e/Wmv/Planaria.wmv');txtcolor('turbellaria1','gray');return false;" Id=turbellaria1><iMg sRc="/images/wmplayer.gif" aLt='' boRDer=0></A>