You notice that your 11-year-old cousin is going from looking like a child to looking like a young woman. (a) Outline the three-phase hormonal sequence that is setting off the physical changes; and...

You notice that your 11-year-old cousin is going from looking like a child to looking like a young woman. (a) Outline the three-phase hormonal sequence that is setting off the physical changes; and then (b) name the three classes of hormones involved in puberty