The Sympathetic Nervous System and How the Body Processes Pain

The nervous system of the human body controls and maintains functions of the body.  The somatic nervous system is responsible for voluntary actions, such as walking or eating.  The autonomic nervous system is responsible for involuntary actions, such as digestion, heart rate and sweating.  The autonomic nervous system is further divided into the sympathetic and parasympathetic nervous systems.  Their functions are often simplified into the “fight or flight” system (sympathetic) or the “rest and digest” system (parasympathetic). Read More