Malachi just turned 16 and is interested in being more active and improving his fitness after previously leading a very sedentary lifestyle. He is interested in getting into long distance running. As he starts to workout he knows he needs to start slow and be realistic with his training. Analyze Malachi's current workout below and answer the following questions on training principles.

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?