The Endocrine System Flashcards
what are hormones
chemical messengers sent in the blood
when hormones are carried in the blood to other parts of the body, what do they affect
target organs
where are hormones produced and secreted by
various glands called endocrine glands
what do endocrine glands make up
the endocrine system
do hormones have short or long-lasting effects
long lasting
name the six examples of glands
pituitary gland, thyroid gland, adrenal gland, ovaries, pancreas and testes
information about the pituitary gland and what it does
- produces many hormones that regulate body conditions
- these hormones act on other glands, directing them to release hormones that bring about change
information about the thyroid gland and what it does
- produces thyroxine
- involved in regulating things like rate of metabolism, heart rate and temp
information about ovaries and what it does
- produce oestrogen
- involved in the menstrual cycle
information about the adrenal gland and what it does
- produces adrenaline
- used to prepare the body for a fight or flight response
information about the testes and what they do
- produces testosterone
- controls puberty and sperm production in males
information about the pancreas and what it does
- produces insulin
- used to regulate blood glucose levels
what are nerves like in contrast to hormones
- very fast action
- acts for a very short time
- acts on a precise area
what are hormones like in contrast to nerves
- slower action
- acts for a long time
- acts on a more general area