You may be asked about some common hormones and their functions.
| Hormone | Function | Site of Secretion |
| Insulin | Maintains blood sugar level | Pancreas |
| Glucagon | Increases blood glucose level | Pancreas |
| ADH | Regulates amount of water in blood | Pituitary Gland |
| Adrenaline | Increases heart rate, blood pressure | Adrenal glands (kidney) |
| Testosterone (male) | Mainly sperm production | Testes |
| Oestrogen (female) | Stimulates the growth of uterus lining | Ovaries |
| Progesterone (female) | Maintains the uterus lining | Ovaries |
| Oxytocin (female) | Releases breast milk | Posterior pituitary |
| Prolactin (female) | Milk production in mammary glands | Anterior pituitary |