lesson 8 the endocrine system Flashcards
hormones are what
chemical molecules released directly into the blood
hormones are carried into the blood by other parts of the body, but only affect what
target organs
hormones control things in organs and cells which need what
constant adjustments
hormones are produced in and secreted by various what
glands
-called endocrine glands
the glands make up your what
endocrine system
hormones, in contrast to electrical impulses, tend to have what
a longer lasting effect
the pituitary gland produces what
many hormones that regulate body conditions
pituitary gland is sometimes called the what
master gland
why is it called the master gland
as the hormones in your pituitary gland act on other glands, directing them to release hormones that bring about change
ovaries produce what
oestrogen
ovaries are involved in what
menstrual cycle
testes produce what
testosterone
testes control what
puberty and sperm production in males
the thyroid produces what
thyroxine
thyroxine regulates what
the rate of metabolism, heart rate and temperature
the adrenal gland produces what
adrenaline
adrenaline is used to prepare for what
the fight or flight response
the pancreas produces what
insulin
insulin is used for what
to regulate the blood glucose level
nerves are different to hormones as they are what
very fast action
act for short time
act on precise area
hormones are different to nerves as they are what
slower action
act for long time
act in more general way
