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System, sympathetic nervous: A part of nervous system that accelerates the heart rate, constricts blood vessels, and raises blood pressure. The sympathetic nervous system together with the parasympathetic nervous system (that slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles) constitute the autonomic nervous system.
The sympathetic nervous system (SNS) is part of the autonomic nervous system (ANS), which also includes the parasympathetic nervous system (PNS). The sympathetic nervous ...
The Sympathetic Nervous System (SNS) is a branch of the autonomic nervous system along with the enteric nervous system and parasympathetic nervous system. It is always ...
The sympathetic and the parasympathetic nervous system are parts of what is commonly called the autonomic nervous system. (Autonomic = can not be controlled by the mind).
The autonomic nervous system is typically divided into two main subsystems, the sympathetic nervous system and the parasympathetic nervous system.
sympathetic nervous system (anatomy), ... Email" is the e-mail address you used when you registered. " Password" is case sensitive.