| A | B |
| plasma | the liquid part of blood |
| heart | the pump |
| atria | top 2 chambers of the heart |
| ventricles | bottom 2 chambers of the heart |
| arteries | move blood away from heart |
| veins | move blood to heart |
| capillaries | connects arteries to veins |
| red blood cell | contains hemoglobin( which carries oxygen) |
| white blood cell | fights bacteria and viruses |
| kidney | filters waste from blood |
| lungs | puts oxygen in blood |
| circulatory system | moves oxygen and nutrients to cells; removes carbon dioxide and waste |
| blood | made of cell fragments |