The physical characteristics that develop after puberty as a result of sexual maturation. In boys they include the growth of facial and pubic hair and the deepening of the voice. In girls they include the growth of pubic hair and the development of the breasts.
The physical characteristics that develop during puberty as the body matures sexually. Girls’ breasts and genitals increase in size, and, like boys, they grow pubic hair. Boys also grow facial hair, their voice breaks and their genitals grow to adult size.
Physical traits that emerge during puberty, signaling the beginning of reproductive maturity. For girls, the initial indicator is breast development, followed by the growth of pubic and underarm hair, as well as increased body fat around the hips, abdomen, and thighs, resulting in a more feminine body shape. For boys, the first sign is the enlargement of the testes, succeeded by changes in the scrotal skin and growth of the penis. The appearance of pubic, facial, and underarm hair follows, along with a deepening voice and increased muscle mass and bone density.