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This pathway is more easily know as an acute
response. This is because, it's response is fast and
it fades almost as quickly as it comes.
· If you think of something that would shock you.
E.g. If you were to break really quickly in your car
because a dog ran in the road, the quick panicky
response you'd have had, would have been the
· acute response.
· This pathway has a more complicated name:
The Sympathomedullary Pathway…read more

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The six steps-
Step 1
The adrenal medulla which is part of the
adrenal gland (surrounded by the adrenal
cortex) which is controlled by the Autonomic
Nervous System (ANS) is involved in this
pathway.…read more

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Step 2
The ANS keeps the bodily systems in response to
demands functioning normally.…read more

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Step 3
The ANS has TWO subdivisions. The first one to kick
in is the sympathetic subdivision.
Once this has officially kicked in the physical signs
are:
- Heart rate increases
-Blood pressure increases
-Digestion slows
All of the above physical symptoms are called
Sympathetic arousal.…read more

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Step 4
So when you have braked to avoid the dog that
has randomly rushed in the middle of the road
the Sympathetic Nervous system (SNS) is
activated by the hypothalamus, which causes
the adrenal medulla to release adrenaline
and noradrenaline into the blood stream
which further increases the heart rate and
blood pressure.…read more

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