What are physical changes that occur to adolescents. For girls, you might start to see early physical changes from about 10 or 11 years, but they might start as young as 8 years or as old as 13 years.

Adolescence

What are physical changes that occur to adolescents. For girls, you might start to see early physical changes from about 10 or 11 years, but they might start as young as 8 years or as old as 13 years.