homeostasis and response Flashcards
(48 cards)
what is type 1 diabetes caused by
pancreas failing to produce enough insulin
what is type 2 diabetes caused by
body cells no longer responding to the insulin produced by the pancreus
define homeostasis
keeping the conditions in your body and cells at the right level so everything can work effectively
define hormone
chemical message that travels around the bloodstream to particular cells in target organs
what does the thyroid gland do
produce thyroxine
what does the pancreas do
produce insulin
what do the testes do
produce testosterone
what do the adrenal glands do
produce adrenaline to prepare for fight or flight
what do the ovaries do
produce oestrogen for the menstrual cycle
what does the pituitary gland do
produce hormones that regulate body conditions
what is thyroxine made up of
iodine and amino acids
what is thyroxine used for
regulating the basal metabolic rate
what does testosterone do
development of secondary sexual characteristics in males e.g. facial hair or sperm production
day 1 of menstural cycle
lining of uterus comes down
day 4 of menstural cycle
lining slowly increases
day 14 of menstural cycle
egg is released, lining still increases
day 28 of menstural cycle
if egg not fertilised, lining breaks down and new cycle starts
where is FSH produced
the pituitary gland
what is FSH used for
helps egg mature and stimulates production of oestrogen
where is oestrogen produced
ovaries
oestrogen uses
lining of uterus to grow
where is LH produced
pituitary gland
what is LH used for
stimulating release of egg
where is progesterone produced
ovaries
