Stress Management

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What happens physically when the fight or flight reaction is activated?

From: Pamela Basquez
Date: 12/9/97
Time: 2:48:22 PM
Remote Name: 134.39.105.127

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Once the fight or flight reaction is activated, our body will react in many ways. These are noticeable changes which include, increase in heartbeat rate; coronary arteries dilate, higher blood pressure, increase in muscle tension (muscle bracing), the pituitary gland activates oxytocin and vasopressin, moisture on the skin, dilated pupils, dilation of the bronchial tubes, hydrochloraic acid is secreted into the stomach, glucose is released from the liver, and the basal metabolic rate increases. The white blood cells are lowered also which decreases the effectiveness of the immune system, which may make it vulnerable to disease causing microbes and degenerative disease.


Last changed: January 31, 2013