coordination and response Flashcards
what are hormones?
chemical messengers sent in the blood
where are hormones carried in?
the blood plasma
what do hormones affect?
only their target cells
what do hormones control?
things in organs and cells that need constant adjustment
where are hormones produced?
in the glands
how do hormones travel? and how long do their effects last?
travel slowly and have long lasting effects ( relatively)
where is adrenaline made?
adrenal glands ( on top of kidneys)
what is adrenaline’s role?
readies the body for a fight or flight response
what are the effects of adrenaline?
-increases heart rate, blood flow to muscles and blood sugar level
where is insulin made?
pancreas
what is insulin’s role?
helps control the blood sugar level by stimulating the liver to turn glucose into GLYCOGEN for storage
where is testosterone made?
Testes
what is testosterone’s role?
main male sex hormone
promotes male secondary sexual characteristics
what is glucagon?
hormone which converts glycogen to glucose for energy
what is progesterone?
it supports pregnancy
by maintaining the lining of the uterus
what is oestrogen?
main female sex hormone
controls the menstrual cycle and promotes female secondary sexual characteristics
