An important aspect of the health industry is medical attention given to patients who are injured, sick or disabled. The delivery of health care depends on professionals who have been trained in their respective fields. The health care industry is divided into two main categories. The first one is health care services and equipment. This classification provides medical supplies and care such as hospitals and nursing homes. The other category of the industry consists of pharmaceuticals, biotechnology and other life sciences. This classification comprises of sectors that handle the production of technological medical supplies and miscellaneous scientific services. When all these sectors are put together, everyone all over the world is given the medical attention they need.