negative feedback, thyroxine and adrenaline

Question 1

thyroxine is found in

Answer 1

thyroid glands

Question 2

thyroxine function

Answer 2

regulated body metabolic rate
speed at which body transfers energy from chemical stores in order to perform its functions

Question 3

what gland release adrenaline from where

Answer 3

adrenal glands
near kindneys
fight or flight response

Question 4

negative feedback

Answer 4

used in homeostatsis that keeps internal conditions constant

Question 5

how thyroxine levels are controlled

Answer 5

hypothalamus detects cells need more energy
pituitary gland released TSH
thyroid gland produces thyroxine
hypothalamus detects cells have enough energy
pituitary stops producing TSH
thyroid stops producing thyroxine

Question 6

adrenaline levels are controlled

Answer 6

respiring quickly to increase ATP production
inc breathing rate to cope with oxygen demand
inc heart rate
diverting blood from areas