Physical Aspects of Puberty, a sex-education film, details the different developing sex characteristics and emotional upheavals of the âin-between period of adolescence.â Using animated diagrams as well as live action, the film shows Johnny and Janey as they suffer through body hair growth, uneven physical development, changes in appetite and brain cells, blemishes, and a fluctuating endocrine system. It even discusses the emotional effects of adolescence, including mood swings, and a tendency to be overly emotional.