It is the hormone androgen and virility. Produced in the testes, develops sexual organs. During puberty and adulthood testosterone is responsible for sperm production, sexual and the response of male power.
It is the symbol of male power. Testosterone is the hormone responsible for virility and development of male sexual organs. It is produced in the testes, and when a child grows in the mother’s uterus, androgens that he himself produces an impact on the development of the penis, prostate and testicles.

This is what you Unlike women, to the point that if the level of fetal androgen is very low or absent, the child born genetically male but with certain female characteristics.

During puberty and adulthood testosterone is responsible for sperm production, sexual and the response of male power.

In the adolescent male sexual arousal begins, hair growth in the legs, arms, beard and pubis. Increase your muscle mass and produced the first ejaculations, even sleeping. It is the beginning of manhood and consolidation of the male genital tract.