The document is an anatomy and physiology essay that discusses skin avulsion injuries. It begins by defining skin avulsion as the tearing apart of the top layers of skin. It notes that older people are more prone to such injuries due to weakening of the skin with age. The essay then examines a specific case of a 52-year old male who suffered a compound fracture of the tibia that tore through the skin. It discusses the effects on primary organ systems and risks of infection and blood loss from an open fracture wound.