B11 - Hormone Control Flashcards
what is the endocrine system
system of glands that secrete hormones into the blood stream
how does the endocrine system compare to the nervous system
endocrine system effects are slower but last for longer
endocrine system secretes hormones
endocrine system has effects by secreting in blood stream
where is pituitary gland
brain
which organ monitors and controls blood glucose concentration
pancreas
which hormones interact to regulate blood glucose levels
insulin and glucagon
cause of type 1 diabetes
pancreas does not produce enough insulin
cause of type 2 diabetes
body cells no longer respond to insulin
FSH
- causes egg to mature in the ovaries
- stimulates ovaries to produce oestrogen
- produced in pituitary gland
LH
- stimulates the release of an egg (ovulation)
- produced in pituitary gland
Oestrogen
- thickens and maintains uterus lining
- stops FSH from being produced
- stimulates pituitary gland to release LH
- produced in ovaries
Progesterone
- maintains lining of uterus
- produced in ovaries
methods of hormonal contraception
- oral contraceptives
- injection
- implant
- skin patch
- IUD
methods of non-hormonal contraception
- barrier methods
- copper IUD
- spermicidal agents
- sterilisation
- abstinence
disadvantages of IVF
- emotional and physical stress
- low success rate
- can lead to risky multiple births
function of adrenaline
increases heart rate to increase amount of blood to the brain and muscles to increase glucose and oxygen levels to prepare for fight or flight
