Where is Insulin secreted from?
The pancreas (acts as an endocrine gland)
Insulin controls _____ _________ ______
blood glucose levels
What does insulin stimulate?
It stimulates the muscles, liver and stomach to take up glucose from blood and store as glycogen
Where is adrenaline secreted from?
The adrenal gland
What is the role of adrenaline?
It prepares the body for action
4 effects of adrenaline
It increases heart rate
it diverts blood flow towards muscles
dilation of blood vessels
breaking down of stored glucogen
Where is testosterone produced/sourced?
The male testes
What is the role of testosterone?
It stimulates the development of male sexual characteristics
Give 4 examples of male sexual characteristics
Production of sperm
Facial, body and pubic hair
Sexual organs develop
Voice breaks
Where is oestrogen sourced?
The female ovaries, in the developing follicle
What is the general role of oestrogen?
It stimulates growth of femal sexual characteristics
Give 3 examples of female sexual characteristics
Breasts
Pubic hair
Beginning of menstrual cycle
Where is progesterone stored/sourced?
Female ovaries - in the corpus luteum
What is the role of progesteron/ it’s effect generally
To maintin the uterine lining during pregnancy
ADH stands for…
Antiduretic hormone
ADH is sourced from the
pituitary gland - the brain
ADH’s role is to…
detect the increase or decrease of blood water levels
If the blood is at a low water level ADH will ____ __________
be released
If ADH is released, when urine passes through the collecting duct it will _______ _____ ______
reabsorb more water
ADH determines the ____-_____ levels and conc. of _____
blood water, urine
Oestrogen in the menstrual cycle stimulates
repair and thickening of the uterus lining
A drop in levels of oestrogen triggers…
Loss of uterus lining
Progesterone in the menstrual cycle…
maintains the uterus lining
Levels of progesterone drop if….
no fertilisation occurs
FSH and LH are produced by the…
pituitary gland
LH in the menstrual cycle stimulates the ovaries to produce what hormone?
progesterone
LH in the menstrual cycle stimulates…
the release of the egg, ovulation
FSH in the menstrual cycle causes the
maturation of the egg in the ovary
FSH in the menstrual cycle stimulates the ovaries to start releasing which hormone?
Oestrogen