The document discusses why muscles and bones are important to the human body. It notes that there are 43 muscles in a big frown, 17 muscles in a big smile, 27 bones in the hand, and 206 bones in the entire body. It also outlines the five major food groups - grains, vegetables, fruits, dairy, and meat - and how each group provides different nutritional benefits, such as strong teeth and bones, muscles, energy, and skin healing. The document was created by Beverly Dade on October 12, 2009.