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| aerobic |
tending to stimulate the heart and lungs and thereby improve the body's ability to utilize oxygen. [1/3 definitions] |
| aerobics |
(used with a sing. or pl. verb) a system of physical conditioning involving sustained and vigorous exercise such as running, swimming, cycling, or dancing, that stimulates the heart and lungs and thereby improves the body's ability to utilize oxygen. |
| afferent |
bearing or leading toward a central organ or part, as nerves that conduct impulses to the spinal column or as veins that carry blood to the heart. |
| angina pectoris |
severe recurrent pain in the chest caused by a sudden decrease in the amount of blood flowing to the heart muscle. |
| aorta |
the main artery carrying blood from the left side of the heart to the arteries of all the rest of the body except the lungs. |
| artery |
a vessel that carries blood away from the heart. (Cf. vein.) [1/2 definitions] |
| atrioventricular |
of, involving, or located between the atria and ventricles of the heart. |
| atrium |
in anatomy, any internal cavity, esp. one of the two upper heart chambers. [1/2 definitions] |
| auricle |
an earlike projection of either of the two upper chambers of the heart, or one of the chambers itself; atrium. [1/3 definitions] |
| auricular |
of or relating to an auricle of the heart. [1/3 definitions] |
| auscultation |
listening to the heart, lungs, or the like for the purpose of medical diagnosis, usu. with a stethoscope or other instrument. |
| autonomic nervous system |
the part of the nervous system in vertebrates that controls involuntary bodily processes, such as the operation of the heart, stomach, and glands; sympathetic and parasympathetic nervous systems together. |
| basically |
in an important or central way; at heart. |
| bleeding heart |
any of several flowering plants, esp. a common garden variety with drooping red or deep pink, heart-shaped flowers. [1/2 definitions] |
| blood pressure |
the pressure of the blood against the inner wall of blood vessels, esp. the arteries or the heart, as exerted by the contractions of the heart muscles, often measured as an indicator of physical health. |
| blue baby |
an infant born with blue-tinged skin from insufficient oxygen in the blood, caused by a congenital heart or lung defect. |
| bosom |
the seat of thought, affection, or emotion; heart. [1/7 definitions] |
| bradycardia |
abnormally slow heart rate. |
| cardiac |
of or pertaining to the heart. [2/3 definitions] |
| cardiac arrest |
the failure of the heart to pump blood; heart attack. |
| cardio- |
heart. |
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