Control of Blood Pressure. Changes in blood pressure are routinely made in order to direct appropriate amounts of oxygen and nutrients to specific parts of the body. For example, when exercise demands additional supplies of oxygen to skeletal muscles, blood delivery to these muscles increases, while blood delivery to the digestive organs decreases.
health care - the preservation of mental and physical health by preventing or treating illness through services offered by the health profession. healthcare. care, tending, attention, aid - the work of providing treatment for or attending to someone or something; no medical care was required; the old car needs constant attention.
Health care providers are covered entities, at least most are. Generally, a health care provider is a doctor, hospital, dentist, podiatrist, pharmacist, laboratory, optometrist, and just about anyone else licensed to provide health care.