Animal coordination, control and homeostatsis Flashcards
what are hormones
they are chemicals released by the body that affect particular cells
what are endocrine glands
they release hormones
when is the pituitary gland found
in the brain
what is the pituitary gland
this is the main gland and it releases hormones that maintain body conditions. these hormones also act on other glands
what hormones does the pituitary gland release
it releases many but the main ones are FSH and LH
where are the ovaries found
in the female body near the hip
what hormones do ovaries release
oestrogen
what is oestrogen involved in
menstrual cycle
where are the testes found
in the male body and near the hip
what hormones do testes release
testosterone
what is the hormone released by the testes responsible for?
it controls puberty and sperm production in males
where is the thyroid gland found
in the neck
what hormone does the thyroid gland release
thyroxine
what does thyroxine do
it regulates rate of metabolism, heart rate and temperature
where are the adrenal glands found
in the stomach area
what hormones do adrenal glands produce
adrenalin
what does adrenaline do
targets vital organs, increases the heart rate and boosts the delivery of oxygen. it gets the brain ready for a fight or flight response
where is the pancreas found
in the stomach area
what hormones do pancreas produce
insulin and glucagon
what are insulin and glucagon used for?
to regulate blood glucose level
what are the differences between neurons and hormones
neurons:
-fast action
-act for a short time
-act in a precise area
hormones:
-slower action
-act for a long time
-act in a more general area
how does adrenaline make your heart rate and blood pressure increase
it binds onto specific receptors in the heart. this will make the heart contract quicker