The autonomic nervous system

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  • The autonomic nervous system
    • Autonomic translates to self governing
    • Parasympathetic
      • Active when sleeping
        • Neurotransmitter- Acetyl Choline
          • Effects- decrease in heart rate, pupil constriction, sexual arousal
    • sympathetic
      • Active when stressed
        • Neurotransmitter- noradrenaline
          • Effects- increase in heart rate, pupil dilation, more likely to achieve orgasm
    • These 2 are considered as antagonistic systems because they oppose each other


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