Growing Up (B5)

At birth we can tell the sex of a child by the genitals - primary sexual characteristics. At puberty your body changes to one of a sexually mature adult.

At puberty your sex hormones cause your secondary characteristics to develop

Males:

• Voice breaks
• Hair grows on face/body
• Body becomes more muscular
• Genitals develop
• Testes start making sperm

Females:

• Breasts develop
• Pubic hair…