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biological

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sympathetic nervous system

sympathetic nervous system The sympathetic nervous system is the thoracolumbar part of the autonomic nervous system that helps prepare the body to respond to stress, commonly described as fight-or-flight reactions.

The sympathetic nervous system is the thoracolumbar part of the autonomic nervous system that helps prepare the body to respond to stress, commonly described as fight-or-flight reactions. It sends signals from the spinal cord through sympathetic ganglia to body organs and often works in an opposing balance with the parasympathetic system.