Health Sciences 1001A/B Chapter Notes - Chapter 3: Peripheral Nervous System, Asthma, Endocrine System
8 Feb 2018
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Health science chapter 3: stress, the constant challenge. Refers to situations that trigger physical and emotional reactions (stressors), and the reactions themselves (stress response) Stressor any physical or psychological event or condition that produces stress. Stress response the physical and emotional changes associated with stress. Stress the general psychological and emotional state that accompanies the stress response. The primary detriment of the health consequences of stress is how the individual responds to the stress. Responses to stressors include physical changes, and emotional and behavioural responses. Two control systems are responsible for the physical response to stressors; the nervous system and the endocrine system. It is in control when you are relaxed: sympathetic nervous system a division of the autonomic nervous system that reacts to danger or other challenges by almost instantly accelerating body processes. Activated during arousal and emergency situations, releasing norepinephrine which commands body to mobilize energy resources to respond to crisis.
