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

SOURCES AND ROLES OF HORMONES: 

HORMONE	SOURCE	ROLE	EFFECT
ADH	Pituitary Gland	Regulates Water Content in the Body	Affects the Permeability of the Collecting Duct to Reabsorb Water into the Blood
ADRENALINE	Adrenal Gland	Readies the Body for a ‘Fight or Flight’ Response	Increases Heart and Breathing Rate
INSULIN	Pancreas	Lowers Blood Glucose Levels	Turns Glucose in the Blood into Glycogen which is Stored in the Muscles and Liver
TESTOSTERONE	Testes	Main Sex Hormone in Males	Secondary Sexual Characteristics in Males
PROGESTERONE	Ovaries	Maintains Pregnancy	Maintains the Uterus Lining to Cushion Fertilised Egg Cell
OESTROGEN	Ovaries	Main Sex Hormone in Females	Secondary Sexual Characteristics in Females and Controls Menstrual Cycle