Across
- 5. Heart muscle relaxation phase
- 8. Vessel that carries blood away from the heart
- 10. Transmission of electrical signals in the heart
- 12. The heart’s muscular wall
- 15. Upper chamber of the heart
- 16. Flow of blood through tissues
- 17. Heart muscle contraction phase
- 19. Relating to the heart and blood vessels
Down
- 1. Pressure Force of blood against artery walls
- 2. Wire connection used in ECG testing
- 3. Specialized tissue that helps control heartbeat
- 4. Cycle One complete heartbeat (contraction + relaxation)
- 6. Test that records the heart’s electrical activity
- 7. Vessel that carries blood back to the heart
- 9. Short form of electrocardiogram
- 11. Largest artery in the body
- 13. The throbbing of arteries as blood is pumped
- 14. Lower chamber of the heart
- 18. Rate Number of beats per minute
- 19. Tiny blood vessel where exchange occurs