Cardiovascular Crossword

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Across
  1. 3. Rapid heart rate
  2. 5. peak of ventricular contraction
  3. 7. contraction of ventricles
  4. 13. thrombus breaks away from vessel wall Antibodies freely
  5. 14. System Blood circulates inside closed transport systems
  6. 15. transportation
  7. 16. Outer layer
  8. 17. Abnormally shaped hemoglobin
  9. 18. Externa Fibrous connective outside tissue on outside supports and protects vessels
  10. 19. expansion & recoil of an artery
  11. 20. Y-shaped proteins ssecreted by WBC that attach to antigens
  12. 21. cardiac muscle
Down
  1. 1. Graphic record of heart activity
  2. 2. nerves that carry the electrical impulses to the ventricles
  3. 4. receives blood
  4. 6. Blood cell formation
  5. 8. ventricles relax
  6. 9. high blood pressure
  7. 10. Pacemaker
  8. 11. Lack of adequate blood supply to the heart
  9. 12. Smooth muscles & elastic tissue