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https://www.concordia.ca/content/concordia/en/students/health/topics/stress-management/the-fight-or-flightresponse.html

The Fight or Flight Response

The "fight or flight" (stress) response stimulates your body and prepares it to deal with danger.  The response increases some of your body's processes including:

  • heart rate
  • breathing rate
  • muscle tension
  • blood pressure
  • insulin secretion
  • blood flow to the brain, lungs, heart and muscles
  • blood clotting

The "fight or flight" response also decreases some of your body's processes including:

  • blood flow to the kidneys, digestive tract and skin
  • interest in sex
  • tissue repair
  • immune system response

This state of stimulation contributes to physical and mental health problems, especially when stress is experienced for prolonged periods of time.

The Stress Management Society has a brief description of the "fight or flight" response

Videos that describe "fight of flight" response include "Emotional Arousal: The Fight or Flight Reaction", "The Stress Response- Fight or Flight" and the "Fight or Flight clip"

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