| A | B |
|---|
| Girls | breast grow bigger |
| Boys | voice breaks |
| testis | produces sperms |
| ovary | produces egg |
| sex hormones | causes physical reaction in our body |
| fertilization | when sperm unites with an egg |
| foetus | an unborn baby |
| sperm duct | transports sperms to the urethra |
| urethra | tube that transports urine and sperm |
| penis | an organ which deposits sperms into the vagina |
| fallopian tube | tube which collects the egg |
| uterus | where the foetus developes |
| womb | another name for uterus |
| vagina | muscular tube where sperms are deposited |
| birth canal | another name for vagina |
| menstruation | It is the broken-down lining, dead egg and blood passing our through the vagina |
| ovulation | the release of a mature egg |
| menstrual cycle | the regular mothly cycle of menstruation and ovulation |
| fertilization | when sperm unites with an egg |
| birth control | prevention of fertilization |
| condom | is a temporary birth control method |
| rhythm method | is a natural but temporary birth control method |
| sterilization | a permanent birth control method |
| twins | when a fertilized egg splits into two |
