| carry blood | 0.76 |
| carry oxygenated blood | 0.72 |
| become blocked | 0.60 |
| take blood | 0.60 |
| supply oxygen-rich blood | 0.59 |
| supply the brain | 0.58 |
| deliver oxygenated blood | 0.57 |
| become narrowed | 0.52 |
| become clogged | 0.50 |
| carry nutrient | 0.49 |
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| pain | 0.36 |
| blockage | 0.33 |
| reduced blood flow | 0.29 |
| chest pain | 0.26 |
| narrowing | 0.24 |
| headache | 0.24 |
| numbness | 0.21 |
| hemorrhage | 0.21 |
| kidney failure | 0.21 |
| seizure | 0.18 |
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| thick walls | 0.58 |
| three layers | 0.46 |
| muscular walls | 0.41 |
| air | 0.31 |
| size | 0.30 |
| the occlusion | 0.29 |
| smaller lumens than vei… | 0.27 |
| only one function | 0.27 |
| many curves | 0.25 |
| twist | 0.25 |
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| flexible | 0.59 |
| elastic | 0.58 |
| smooth | 0.52 |
| unobstructed | 0.49 |
| large | 0.48 |
| empty | 0.48 |
| normal | 0.47 |
| more muscular than veins | 0.47 |
| vulnerable | 0.46 |
| red | 0.44 |
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| the heart | 0.59 |
| heart attack | 0.57 |
| stroke | 0.54 |
| aneurysm | 0.46 |
| heart attacks | 0.45 |
| the brain | 0.45 |
| kidney | 0.40 |
| heart disease | 0.37 |
| leg | 0.36 |
| death | 0.36 |
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| blood vessels | 0.58 |
| large blood vessels | 0.31 |