2.94: Understand the Sources, Roles and Effects of the Following Hormones: Adrenaline, Insulin, Testosterone, Progesterone and Oestrogen

SOURCES AND ROLES OF HORMONES:

HORMONE	SOURCE	ROLE	EFFECT
ADRENALINE	Adrenal Gland	Prepares body for 'fight or flight' response	Increases heart and breathing rate
INSULIN	Pancreas	Lowers blood Glucose levels	Initiates the conversion of blood Glucose into Glycogen to be stored in Liver and Skeletal muscle
TESTOSTERONE	Testes	Primary sex hormone in Males	Increased levels initiate development of secondary sexual characteristics
PROGESTERONE	Ovaries	Primary sex hormone in females to maintain pregnancy	Maintains the Uterus lining to cushion fertilised Egg cell
OESTROGEN	Ovaries	Primary sex hormone in Females	Increased levels initiate development of secondary sexual characteristics including the menstrual cycle