"Discuss the Fight or Flight Response" 16 mark essay plan

AO1:

The body reacts to threatening/stressful situations
- Increased heart + breathing rates, tensed muscles etc
The reaction is known as the fight or flight (f-or-f) response
- Evolved survival mechanism that lets humans + other animals react quickly to life-threatening situations
Physiological responses - result of adrenaline in the blood stream, released by the adrenal glands.
Sympathetic nervous system activated when a threat s perceived, sending chemical messengers to the adrenal gland
If the brain continually perceives something as threatening, the hypothalamus sends chemical messengers to the pituitary gland, releasing ATCH hormone
- This stimulates the adrenal cortex, which produces cortisol
Increased cortisol levels can impair cognitive performance and lower immune function
- …

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