Caridovascular system Crossword

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Across
  1. 6. Heads to the right ventricle
  2. 8. Smallest vein
  3. 10. Muscle of the heart
  4. 11. Largest Artery
  5. 14. Carries oxygen
Down
  1. 1. Chambers at bottom of the heart
  2. 2. Membrane in the heart
  3. 3. Mucus made on outside of heart
  4. 4. Platelet's second name
  5. 5. Fights infection
  6. 7. Superior and inferior on the heart
  7. 9. Carry oxygen filled blood to heart
  8. 11. Carries blood away from heart
  9. 12. Upper cavities of the heart
  10. 13. Usually shown blue