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NeuroCognitive Research Institute

Shaping the Future of Brain Health

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Home>Blog>Sympathetic nervous system (SNS)

Sympathetic nervous system (SNS)

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The SNS is one branch of the autonomic nervous system (ANS). It prepares the body for environmental challenges (stressors) by increasing body arousal levels and elevating heart rate, blood flow to the muscle tissue, blood pressure, dilating eye pupils, while lowering body temperature, blood flow to the skin, and slowing digestion.

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Autonomic nervous system (ANS)
Parasympathetic nervous system

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