A tiny artery connecting to a capillary

Either of the 2 upper chambers of the heart

Measure of the force of blood surging against the walls of the arteries

term of the SA node, an artificial device that regulates heart rhythm

Muscular organ that receives blood from the veins and sends it into the arteries

Opening in the septum of the fetal heart that closes at birth

lining of the arteries that secretes substances into the blood

outermost layer of the heart tissue

muscular layer of heart tissue between the epicardium and endocardium

rhythmic expansion and contraction of a blood vessel, usually an artery

protective covering of the heart

valve that controls the blood flow between the right ventricle and the pulmonary arteries

fatty substance present in animal fat

use of sound waves to produce images showing the structure and motion of the heart

viewing of a vein by x-ray after injection of a contrast medium

test that measures heart rate, blood pressure, and other functions while on the treadmill

portable device that provides 24-hour electrocardiogram

process of listening to body sounds via a stethoscope

viewing of a specific artery by x-ray after injecting dye