Hormones (Edexcel GCSE Biology): Flashcards
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Definition of hormones
Definition of hormones
Chemical messengers from endocrine glands via bloodstream
Main male reproductive hormone
Main male reproductive hormone
Testosterone
Function of testosterone
Function of testosterone
Stimulates sperm production
Main female reproductive hormone
Main female reproductive hormone
Oestrogen
Day ovulation occurs in menstrual cycle
Day ovulation occurs in menstrual cycle
Day 14
Length of menstrual cycle
Length of menstrual cycle
28 days
Function of FSH
Function of FSH
Causes egg maturation in ovary
Function of oestrogen in menstrual cycle
Function of oestrogen in menstrual cycle
Causes uterus lining to grow
Function of LH
Function of LH
Triggers ovulation
Function of progesterone
Function of progesterone
Maintains uterus lining, supports pregnancy
Pituitary gland nickname
Pituitary gland nickname
Master gland - controls other endocrine glands
Function of thyroxine
Function of thyroxine
Regulates metabolism, heart rate and temperature
Function of insulin
Function of insulin
Lowers blood glucose levels
Function of glucagon
Function of glucagon
Raises blood glucose levels
Function of adrenaline
Function of adrenaline
Prepares body for 'fight or flight'