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.
Refers to a service, test, supply, or procedure that an insurance company pays the patient or the health care provider. Covered services consist of a combination of mandatory and optional services and vary by state and employer contract.