Normal sexual development is under the control of male and female sexual hormones that are produced under the influence of the central nervous system signals implemented hypothalamus.
Change both the body and the mind. Increased growth, changing physique, develop sexual organs are formed secondary sexual characteristics. The girls come menstruation, boys — wet dreams. There is an interest in the opposite sex, the character acquires the features peculiar to the appropriate floor.
The process of sexual development is also associated with the emergence of sexual relations, the formation of sexual preferences and aesthetic preferences. Women have particular cultural and psychological value has deflowering.
In different nations and cultures have certain attitudes and the rituals associated with sexual development, for example, male and female circumcision, the various rites of "growing up" (postrizhiny, etc.) value virginity of the bride and others.