Adolescence
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Adolescence is a transitional stage of human physical and psychological development that generally occurs during the period from puberty to adulthood. Adolescence is usually associated with the teenag
Two adolescents listening to music using earphones
Upper body of a teenage boy. The structure has changed to resemble an adult form.
G. Stanley Hall
The Sisters, by James Collinson
Development of the human body is the process of growth to maturity. The process begins with fertilization, where an egg released from the ovary of a female is penetrated by a sperm cell from a male. T
Sperm fertilizing an egg
Views of a Foetus in the Womb detail