Why does the body show sexual maturation at this age ????
Puberty may be defined as the period of time during which the body of the individual reaches sexual maturity and attains the ability to reproduce. These changes include growth of hairs on various parts of the boy and the girl body, sperm production, enlargement of breasts in females, production of milk by mammary glands, growth of penis etc. Sexual maturity and other physical maturity which occurs during the time of puberty are the result of various hormonal changes which occurs in their body. For example hormones, estrogen in combination with FSH and LH prepares a girl body to mature and prepares her for pregnancy.