GIrls:
- Have the start of their growth spurt between 10-12 years old.
- Increase in their vagina size.
- Menstruation will begin (period).
- Ovulation will also begin (abilty to release eggs)
- Breast development.
- Grow pubic hair.
Boys:
- Have the start of their growth spurt between 12-15 years old.
- Increase in testes and penis size.
- Will have erections.
- Sperm production will begin.
- Grow facial hair and pubic hair.
- Will have voice breaks.
Both will have develop their strength, stamina and coordination.
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