Puberty — it's a crazy time and occurs through a long process, beginning with a surge in hormone production, which in turn causes a number of physical changes. Every person's individual timetable for puberty is different. Below is an overview of some physical changes boys can expect during these years. A near doubling in the size of the testicles and the scrotal sac announces the advent of puberty. As the testicles continue to grow, the skin of the scrotum darkens, enlarges, thins, hangs down from the body and becomes dotted with tiny bumps.
Puberty & Sexual Development - Parents | Teaching Sexual Health
Puberty is the process of physical changes through which a child 's body matures into an adult body capable of sexual reproduction. It is initiated by hormonal signals from the brain to the gonads : the ovaries in a girl, the testes in a boy. In response to the signals, the gonads produce hormones that stimulate libido and the growth, function, and transformation of the brain, bones , muscle , blood , skin , hair , breasts , and sex organs. Physical growth —height and weight—accelerates in the first half of puberty and is completed when an adult body has been developed. Until the maturation of their reproductive capabilities, the pre-pubertal physical differences between boys and girls are the external sex organs. On average, girls begin puberty around ages 10—11 and end puberty around 15—17; boys begin around ages 11—12 and end around 16—
Growth and puberty
Narrated Presentation PowerPoint Presentation. Healthy sexual development  involves biological, psychological, and socio-cultural processes. Like all aspects of adolescent development , sexual development occurs both within an individual and through interaction with the environment. For example, the biological triggers of puberty are genetic, and are also affected by the available food.
Puberty is the stage during which people reach full reproductive ability and develop the adult features of their sex. In boys, puberty usually occurs between the ages of 10 and 14 years. However, it is not unusual for puberty to begin as early as age 9 or to continue until age