| A | B |
| left ventricle | pumps blood to aorta |
| pulmonary veins | gives blood to left atrium |
| superior vena cava | gives blood to right atrium |
| right ventricle | pumps blood to pulmonary artery |
| left atrium | pumps blood to left ventricle |
| mitral valve | a.k.a. bicuspid |
| tricuspid valve | lets blood into right ventricle |
| bicuspid valve | pumps blood left ventricle |
| Aortic semi-lunar valve | lets blood through into the aorta |
| pulmonary artery | lets blood into the lungs |
| pulmonary semi-lunar valve | goes to the pulmonary artery |
| septum | muscle wall seperates ventricles |
| aorta | pumps blood to rest of body |
| heart | muscular pump |
| pulmonary circulation | blood gets oxygen from the lungs |
| coronary circulation | supplies the heart with oxygen |
| deoxygenated blood | blue blood |
| oxygenated blood | red |
| leukycytes | white blood cells |
| capillaries | smallest blood vessels |
| circulatory system | supplies body with blood |
| plasma | liquid part of blood |
| eurythcytes | red blood cells |
| agglutination | clogging of the blood |
| universal doner | type O blood |