b11: hormonal coordination Flashcards
(17 cards)
what is the endocrine system
system of glands that secrete hormones into the bloodstream
how do the effects of the endocrine system compare to those of the nervous system
endocrine system effects are slower but act for longer
where is the pituitary gland located
brain
which organ monitors and controls blood glucose concentration
pancreas
which hormones interact to regulate blood glucose levels
insulin and glucagon
what is the cause of type 1 diabetes
pancreas produces insufficient insulin
what is the cause of type 2 diabetes
body cells no longer respond to insulin
what is the function of FSH
causes eggs to mature in the ovaries, and stimulates ovaries to produce oestrogen
what is the function of LH
stimulates the release of the egg
what is the function of oestrogen
causes lining of uterus wall to thicken
what are the methods of non-hormonal contraception
barrier methods
copper IUD
spermicidal agents
sterilization
abstinence
what are the methods of hormonal contraception
oral contraceptive
injection
implant
skin patch
IUD
state the disadvantages of IVF treatment
- emotionally and physically stressful
- low success rate
- can lead to risky multiple births
what is the function of adrenaline in the body
increases heart rate and boosts delivery of oxygen and glucose to brain and muscles to prepare the body for flight or fight
what is the function of thyroxine in the body
simulates basal metabolic rate, so is important for growth and development
name one hormone controlled by negative feedback
thyroxine
which endocrine glands control secondary sexual characteristics
ovaries in females
testes in males
