| A | B |
|---|
| Plasma | Part of the blood which carries hormones |
| Ductless | Type of gland which produces hormones |
| Slower | How the speed of response to hormones is different from the response to nervous impulses |
| Longer | How the length of response to hormones is different from the response to nervous impulses |
| Insulin | Produced by the pancreas to reduce sugar levels |
| Pancreas | Where insulin is made |
| ADH | Made in the pituitary gland to reduce the amount of urine produced |
| Ovaries | Produce oestrogen and progesterone |
| Oestrogen | Level increases until an egg is released by the ovary |
| Uterus lining | Oestrogen makes it get thicker, ready for an egg |
| Ovulation | Release of an egg from the ovary |
| Progesterone | Menstruation is caused by a fall in the level of this hormone |
| Fourteen | Number of days after menstruation that ovulation occurs |
| Zero | Day on which menstruation begins |
| Puberty | When secondary sexual characteristics begin to appear |
| Sperm | Begin to be made by the testes at puberty |
| Testosterone | Stimulates sperm production and development in males |
| Testes | Produce testosterone and sperm |
| Anabolic steroids | Increase muscle mass and cause psychological problems (and illegal when abused) |
| Uterus | The proper name for the womb |
