Development of the human body used to approximately judge a child's age based on physical development. 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
The Body (1970 film) it had recouped its negative cost in the Far East alone. The movie was released on DVD on 7 October 2013. The Body (1970 film) The Body is a 1970 UK scientific documentary film directed and produced by Roy Battersby. In the film, external and internal cameras are used to showcase the human body. The film's narrators, Frank Finlay and Vanessa Redgrave, provide commentary that combines the knowledge of human biologists and anatomical experts. The film's soundtrack, "Music from the Body", was composed by Ron Geesin and Roger Waters, and includes songs that were made using the human body as