Across
- 1. One of two upper Chambers of the heart
- 8. Beat of the heart as felt through the walls of the arteries
- 9. Relaxation state of the heartbeat.
- 10. Contraction phase of the heartbeat.
- 11. Small artery.
- 14. Largest type of blood vessel; carries blood away from the heart to all parts of the body.
- 15. Record of the electrical activity of the heart
- 16. Instrument to measure blood pressure.
Down
- 2. Muscular middle layer of the heart
- 3. Smallest type of blood vessel
- 4. Largest artery in the body
- 5. One of two lower chambers of the heart.
- 6. Largest vein in the body.
- 7. Small vein.
- 12. Innermost lining of blood vessel.
- 13. Abnormal swishing sound caused by improper closure of the heart valves