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Biology 22 Online
OpenStudy (anonymous):

@Biology a sea star nervous system includes: A. no actual nerve cells B. a complex of nerve ganglia in each ray C. a central nervous system including a brain D. a central nerve ring that gives off radial nerves in each arm E. a dorsal hollow nerve cord

OpenStudy (anonymous):

Answer: D Central nerve ring that gives off radial nerves in each arm, this is often parallel with the branches of the water vascular system. Also these ring nerves and radial nerves coordinate the sea star's balance and directional system.

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