Growing and Reproduction

Hint Words: pimples, reproduce, puberty, testes, wider, eggs, birth, 13, penis, fertilisation, hormones, oviducts, hair, 11, uterus, sperm, sex, fast, breasts, ovaries, menstruation, voice, broader

1. The stage when your body starts to change and you grow into an adult is called . puberty

2. The changes in your body during puberty are caused by . hormones

3. In boys, puberty usually starts around years old. 13

4. In girls, puberty often starts around years old. 11

5. The first noticeable change is growing very . fast

6. During puberty, boys' bodies grow more on the face and other parts. hair

7. Many teenagers get on their skin during puberty. pimples

8. A boy's shoulders and chest get as his muscles develop. broader

9. A boy's becomes deeper during puberty. voice

10. A girl's hips get during puberty. wider

11. Girls start to develop during puberty. breasts

12. The changes in the body make it possible to when older. reproduce

13. The special cells needed for reproduction are called cells. sex

14. In males, the sex cells are called . sperm

15. In females, the sex cells are called or ova. eggs

16. When a sperm and an egg join together, it is called . fertilisation

17. Girls start to have about a year after puberty begins. menstruation

18. The produces sperm in the male body. testes

19. The duct carries sperm to the penis. sperm

20. The transfers sperm into the female body. penis

21. In females, the produce the eggs. ovaries

22. The baby develops inside the or womb. uterus

23. Fertilisation takes place in the . oviducts

24. The canal receives sperm and the baby is born through it. birth

25. The lining of the is released during menstruation. uterus