cardiovascular crossword

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Across
  1. 3. cava Carries blood
  2. 7. circulates blood
  3. 9. contract and pump blood
  4. 12. carrying oxygen
  5. 13. artery oxygenated blood
  6. 15. transport deoxygenated blood
Down
  1. 1. transport oxygen rich blood
  2. 2. surrounds and protects the heart
  3. 4. upper cavities of heart
  4. 5. vein oxygen rich blood
  5. 6. lower cavities of heart
  6. 8. blood clots
  7. 10. deliver oxygen and nutrients
  8. 11. keeps blood flowing
  9. 14. distribute oxygen rich bllod