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.
In the United States, health insurance is any program that helps pay for medical expenses, whether through privately purchased insurance, social insurance or a social welfare program funded by the government. Synonyms for this usage include health coverage, health care coverage and health benefits. In a more technical sense, the term is used to describe any form of insurance that provides protection against the costs of medical services. This usage includes private insurance and social ins