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Stress as a bodily response
This includes the:
Cells in the body, neurons and synapse
Transactional approach
Selye- GAS…read more

Slide 3

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Hypothalamic-pituitary-adrenal axis which is
one of the 2 key pathways involved with stress.
The hypothalamus stimulates the release of
adrenocortiocotrophic hormone (ACTH) from
the pituitary gland into the bloodstream.
ACTH travels to the cortex of the adrenal gland
and triggers the release of cortisol and
corticosteroids into the bloodstream.
This causes the blood to clot and influences
blood sugar and salt levels.…read more

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Slide 5

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Sympathetic-adronomedullary pathway
Activated by the hypothalamus
Nerve pathways of the sympathetic branch of
the ANS stimulate the adrenomedulla to release
adrenaline and noradrenaline into the
The release of hormones leads to an increase
in heart rate and blood pressure.…read more

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The autonomic nervous system plays a central role in
terms of bodily arousal associated with stress
ANS centres are located in the brainstem and ANS
pathways run down through the spinal cord
These are distributed throughout the body by the spinal
nerves and control such vital functions such as body
temperature, heart rate and blood pressure.
The ANS is central to homeostasis and an example of this
is how mammals keep a constant body temperature, so
basically the body's normal state (homeostasis).…read more

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