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Explains that puberty takes time to happen and varies from person to person. It starts when the body begins to release hormones: testosterone for boys, and estrogen for girls. Reviews the physical body changes that occur, such as sweating, acne, hair growth, voice changes and sexual changes. The special chapter for boys defines the parts of the male reproductive system and the processes that occur during erection, ejaculation, and wet dreams. What is puberty? The major physical changes of puberty. Other physical changes of puberty. The sexual changes of puberty. The sexual changes in boys. Closed captioned. | |