Why do we break the body into “systems” when discussing it? why don’t we just talk about the entire body all at once?

What hormones (at least three) are responsible for human growth and development and what do they do? describe what menstruation is and how it relates to reproduction. what are common emotional and physical challenges that arise during transition from child to adult? include and describe at least three challenges. what steps can you take to ease your own transition and be sensitive to others when they experience theirs? analyze the role of hormones in growth and development. how does this relate to your own personal health?

Guns are difficult to obtain by law abiding citizens?

Technological and clinical advances that allow many surgical procedures to be safely performed on an ambulatory basis had what corollary effect on hospitals?