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.
What is healthcare? Healthcare is involved, directly or indirectly, with the provision of health services to individuals. These services can occur in a variety of work settings, including hospitals, clinics, dental offices, out-patient surgery centers, birthing centers, emergency medical care, home healthcare, and nursing homes.