Body's response to stress aqa unit 2

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  • Body's Response to Stress
    • Automnic nervous system
      • Sympathetic Branch (fight or flight)
        • SAM  (short term)
          • activates sympathetic branch of ANS
            • stimulates adrenal medulla
              • releases adrenaline and noradrenaline (increase heart rate, blood pressure & blood sugar)
      • Parasympathetic Branch (relax)
        • HPAC (long term)
          • activates Pituitary gland
            • Secretes ACTH
              • Stimulates Adrenal cortex
                • Releases glucocorticoids (convert fat into energy, surpress immune system)


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