| A | B |
|---|
| cardiac | type of muscle in the heart |
| vena_cava | largest vein in the body; carries blood to the right atrium |
| aorta | largest artery in the body; carries blood to body parts other than lungs |
| tricuspid | valve that separates the right atrium from the right ventricle |
| mitral | valve that separates the left atrium from the left ventricle |
| atrium | upper part of the heart |
| ventricle | larger, lower portion of the heart |
| artery | thick walled blood vessel that normally carries oxygenated blood |
| veins | blood vessel that normally carries deoxygenated blood; sometimes has valves |
| arteriole | small artery |
| venule | small vein |
| capillary | smallest blood vessel carries oxygenated and deoxygenated blood |
| septum | muscular wall that separates right and left sides of the heart |
| pulmonary_valve | valve that closes off the right ventricle from the pulmonary artery |
| aortic_valve | valve that closes off the left ventricle from the aortic arch |
| coronary | circulatory system that supplies blood to the heart muscle |
