Cardiovascular Crossword Puzzle Review

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Across
  1. 2. exchange gases between blood and tissue cells
  2. 8. Cell fragments
  3. 10. 45%
  4. 13. decreases friction as blood flows
  5. 17. blood cell formation
  6. 18. blood away from the heart
  7. 19. clot in unbroken blood vessel
Down
  1. 1. high blood pressure
  2. 3. artery walls thicken
  3. 4. bone marrow becomes cancerous
  4. 5. RBC's
  5. 6. thrombus breaks away and floats freely
  6. 7. stoppage of bleeding
  7. 9. 55%
  8. 11. elastic tissue
  9. 12. supports and protects vessel
  10. 14. Low RBC count
  11. 15. WBC's
  12. 16. Blood back to the heart
  13. 20. iron-containing protein