Health Sciences 1001A/B Chapter Notes - Chapter 3: Allostatic Load, Somatic Nervous System, Autonomic Nervous System
19 Apr 2013
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Situations that trigger physical and emotional reactions stressor. The reactions themselves stress response so stress just describes the general physical and emotional state that accompanies a stress response physical responses to stress. 2 systems in your body control our physical response to stressors: the nervous system and the endocrine system the nervous system brain, spinal chord, nerves somatic nervous system things under your control. Autonomic nervous system unconscious nervous system: ex. Digestion, breathing: parasympathetic in action when you are relaxed helps you digest food, store energy, and grow sympathetic activated during times of arousal exercise, pain, fear, etc use neurotransmitter norepinephrine (also called noradrenaline) Uses it to get out your stored energy and use it the endocrine system triggered by the sympathetic nervous systm system of glands tissues and cells releases hormones and prepares body to react to a stressor.
