negative feedback Flashcards
1
Q
what is adrenaline produced by? when?
A
the adrenal glands
in times of fear or stress
2
Q
what does adrenaline do?
A
it increases the heart rate and the amount of oxygen and glucose to the brain and muscles, preparing the body for ‘fight or flight’
3
Q
what is thyroxine produced by?
A
the thyroid gland
4
Q
what does thyroxine stimulate?
A
the basal metabolic rate
5
Q
why is thyroxine important?
A
it plays an important role in growth and development
6
Q
what are thyroxine levels controlled by?
A
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