1. central nerve system (brain/ spianl cord/ ventricle/ meniges) 2. peripheral nerve system (cranial nere/ spinal nerve) 3. automatic nerve system (sympathetic nerve system/ parasympathetic nerve system)
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1. central nerve system (brain/ spianl cord/ ventricle/ meniges) 2. peripheral nerve system (cranial nere/ spinal nerve) 3. automatic nerve system (sympathetic nerve system/ parasympathetic nerve system)
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