The Body's response to stress
Summary of page 134-135 AS Complete Companion, Third Edition Student Book by Mike Cardwell and Cara Flanagan
- Created by: ClaryFray
- Created on: 24-02-15 17:21
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- The Body's response to stress
- Acutes stressors arouse the Autonomic Nervous System (ANS)
- Divided into the SYMPATHETIC BRANCH
- Sympathetic nervous system or SNS releases Noradrenaline
- Prepares body for fight or flight. Increased heart rate, breathing rate, digestion ceases
- Once stressor has passed parasympathetic branch activated
- And the PARASYMPATHETIC BRANCH which relaxes the body. Slows heartbeat down, reduces blood pressure etc.
- Once stressor has passed parasympathetic branch activated
- Prepares body for fight or flight. Increased heart rate, breathing rate, digestion ceases
- Sympathetic Adrenal Medullary System (SAM) releases adrenaline
- Prepares body for fight or flight. Increased heart rate, breathing rate, digestion ceases
- Once stressor has passed parasympathetic branch activated
- And the PARASYMPATHETIC BRANCH which relaxes the body. Slows heartbeat down, reduces blood pressure etc.
- Once stressor has passed parasympathetic branch activated
- Prepares body for fight or flight. Increased heart rate, breathing rate, digestion ceases
- Sympathetic nervous system or SNS releases Noradrenaline
- Divided into the SYMPATHETIC BRANCH
- Pituitary-adrenal system (HPA)occur in response to chronic stressors.
- Stressors perceived by Hypothalamus which releases CRF
- This activates the pituitary Gland and causes it to release ACTH
- Stressors perceived by Hypothalamus which releases CRF
- Acutes stressors arouse the Autonomic Nervous System (ANS)
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