| A | B |
| Islets of Langerhans | produce insulin |
| pituitary gland | produces growth hormones |
| thyroid gland | produces thyroxin |
| insulin | is a hormone which metabolises glucose. |
| testes | produce testosterone |
| ovaries | produce oestrogen |
| adrenal glands | produce adrenaline |
| adrenaline | is a hormone which makes your heart beat faster. |
| testosterone | is a hormone important in the sexual development of males. |
| oestrogen | is a hormone important in the sexual development of females. |
| parathyroids | are glands located in the neck, which assist the thyroid in regulating the body. |
| Thyroid Stimulating Hormone (TSH) is... | is a hormone produced by the pituitary gland to help regulate the thyroid gland. |
| hormones | are produced by the organs of the Endocrine System |
| glands | are the organs of the Endocrine System |