The period of life when the body undergoes several changes to reach maturity is called Adolescence, or growing up stage of life.It is a transition between childhood and adulthood .12-18 yrs is called adolescence period
Puberty is a process of physical change that occurs in human body during maturity. This stage usually begins at ages 13 – 14 for boys, and ages 10 – 12 for girls. However, this may vary from person to person.The stage of puberty ends with the attainment of sexual maturity in an adolescent.
Puberty stage is part of adolescence.