2. Human Reproduction Human reproduce by the means of sexual reproduction. To carry out sexual reproduction, the following events should occur; Production of sex cells Sexual maturation Fertilization Designed By : Chung Kin Kun

3. Increase in Height Pituitary Gland Ovar y Teste s GirlBoy Secrete testosteron e Productio n of Sperm Secrete Oestrogen Production of Egg Hormone that stimulate the growth of sex organ Growth Hormone Physical changes during Puberty

4. Physical changes during puberty -- Boy Pimples Shoulders are widen Beard grows Hair under arms Sex organ grows bigger and becomes darker in colour Pubic hair grows

5. Physical changes during puberty -- Girl Pimples Hair under arms Growth of breasts Sex organ grow bigger and become darker in colour Increase storage of fats in hip Pubic hair grows