| consist of the heart | 0.68 |
| deliver oxygen | 0.67 |
| deliver nutrient | 0.66 |
| consist of artery | 0.62 |
| consist of vein | 0.62 |
| consist of blood | 0.61 |
| pump blood | 0.61 |
| consist of blood vessels | 0.58 |
| consist of capillary | 0.58 |
| move wastes | 0.52 |
| More » |
| increased heart rate | 0.25 |
| stroke | 0.17 |
| fatigue | 0.16 |
| heart attack | 0.13 |
| an organ system | 0.51 |
| system | 0.43 |
| closed | 0.55 |
| composed of two parts | 0.37 |
| connected | 0.29 |
| responsible for transpo… | 0.25 |