Why does the body show sexual maturation at the specific age of puberty?
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 the 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 the penis, etc. Sexual maturity and another physical maturity that occurs during the time of puberty are the results of various hormonal changes which occurs in their body. For example hormones, estrogen in combination with FSH and LH prepares a girl's body to mature and prepare her for pregnancy.