Across
- 3. the relaxation of ventricles
- 5. constricts damaged blood vessels
- 6. blood cell formation
- 8. the outer layer of the heart
- 9. a graphic record of heart activity
- 11. Disease- abnormally shaped hemoglobin
- 12. the wall between the atria and ventricles
- 13. Pressure- the peak of ventricular contraction
- 15. lack of adequate blood supply to the heart
- 17. a foreign substance your immune system recognizes
- 18. thickened artery walls due to fatty deposits
- 20. the transport vehicle
Down
- 1. prolonged heart rate
- 2. Heart Failure- progressive weakening of the heart
- 4. the contraction of ventricles
- 7. a clot in an unbroken vessel
- 10. decrease in oxygen and the ability to carry blood cells
- 14. Externa- fibrous connective tissue supporting and protecting vessels
- 16. high blood pressure
- 19. a hereditary bleeding disorder