Start learning about the skeletal system by using an online resource like the one hosted by Get Body Smart. A site like this will have interactive tutorials about the different areas of the body, from the upper limbs to vertebral column and ribs. This exercise will give a basic understanding of the skeletal system.
Take practice quizzes about the skeletal system from websites like VTAide.com. These quizzes will help you to get comfortable with the various names of the bones, what function they play in the human body and how they work together.
Research government websites, such as the National Center for Biotechnology Information. There is a plethora of professional articles about hormones, diet and exercise and how these items affect overall skeletal health. Choose articles that pertain to your area of interest by scrolling through their journal pages and typing in search words.