Adrenaline & thyroxine Flashcards
where are the adrenal glands are located
at the top of the kidney
when do the adrenal glands produce adrenaline
times of fear or stress
where is adrenaline released in
blood
what is the main effect of adrenaline
increases heart rate because the heart is beating faster and more oxygen and glucose is delivered in the blood to the brain and muscles
what is fight or flight
a state that your body prepares you to either fight or run fast
what the 2 main effects of thyroxine
thyroxine stimulates the body basal metabolic rate
makes the body’s chemical reactions take place at a faster rate
where is the thyroid gland found what does it release
in the base of the neck and this releases the hormone thyroxine
what is metabolism
the sum of all the reations in a cell or the body
what does thyroid play an important role to
the growth and in development
how is the level of thyroxine in the blood controlled
by negative feedback
name examples of a negative feedback loop
blood glucose and the menstrual cycle
