Across
- 1. Clot in unbroken blood vessel
- 3. Relaxation of Ventricles
- 9. Records the Electrical Activity of the Heart
- 10. Pacemaker of the heart
- 12. High Blood Pressure
- 15. Lack of adequate blood supply to the heart
- 16. Smooth Muscle and Elastic Tissue
- 17. Contract spontaneously and independently
- 18. Decreases in oxygen-carrying ability of the blood
- 20. Blood Cell Formation
Down
- 2. Peak of Ventricular Contraction
- 4. Outer Layer of the heart
- 5. Low Blood platelet count
- 6. Prevent Backflow of Blood
- 7. Rapid Heart Rate
- 8. Ventricles Relax
- 11. Carries on the signal from the SA node to the bundle of His
- 13. Pumps blood out
- 14. Events of one heartbeat
- 19. Recieve Blood