Skin, Hair, and Nails
Skin provides an elastic, self-regenerating, protective covering for the body. The skin and its appendages are the primary means by which we are viewed in the world and physical appearances…
Musculoskeletal System
The musculoskeletal system provides the stability and mobility necessary for physical activity. Physical performance requires bones, tendons, ligaments, muscles, and joints that function smoothly and effortlessly. Because the musculoskeletal system…