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| aerobic |
able to work the heart and lungs to help the body use oxygen better. |
| aerobics |
(used with a singular or plural verb) a form of exercise that works the heart and lungs to help the body use oxygen better. Running, swimming, biking, or dance are forms of aerobics. |
| 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 of the body. The aorta carries blood from the left side of the heart to all parts of the body except the lungs. |
| artery |
a blood vessel that carries blood away from the heart. [1/2 definitions] |
| atrioventricular |
of, involving, or located between the atria and ventricles of the heart. |
| atrium |
either of the two upper compartments of the heart; auricle. Blood returning from the body flows into the atria, which pump the blood to the ventricles, the lower compartments of the heart. [1/2 definitions] |
| auricle |
part of the heart. See "atrium." [1/2 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. |
| caffeine |
a substance in coffee, tea, chocolate, and some other foods. Caffeine can make your heart beat fast and keep you awake. |
| callous |
not having kindness; not sensitive; having a hard heart. [1/2 definitions] |
| cardiac |
of or pertaining to the heart. [2/3 definitions] |
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