autonomic nervous system.docx - autonomic nervous system...

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autonomic nervous system autonomic : Acting or occurring involuntarily, without conscious control. peripheral nervous system : Consists of the nerves and ganglia outside of the brain and spinal cord. somatic nervous system : The part of the peripheral nervous system that transmits signals from the central nervous system to skeletal muscles, and from receptors of external stimuli, thereby mediating sight, hearing, and touch. The ANS can be subdivided into the parasympathetic nervous system (PSNS) and the sympathetic nervous system (SNS). The sympathetic and parasympathetic nervous systems work involuntarily. Sympathetic is responsible for the response commonly referred to as "fight or flight," while parasympathetic is referred to as "rest and digest." The autonomic nervous system (ANS) is the part of the peripheral nervous system that controls visceral functions that occur below the level of consciousness. [The somatic nervous system (SoNS) is the part of the peripheral nervous system associated with the
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  • Fall '09
  • parasympathetic nervous systems

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