# Nervous System - _Central nervous system_ = [[brain-structure|brain]] + spine - _Peripheral nervous system_ is not concerned in this course. - Somatic System = intentional, voluntarily control - Autonomic System = reacts to the stimuli, involuntary - Parasympathetic = relaxation mode - Sympathetic ![[parasympathetic-vs-sympathetic.png]] - Somatic System can fight the Sympathetic system, but only for that long