Across
- 3. contraction phase of the heartbeat
- 6. inner lining of the heart
- 8. beat of the heart
- 10. small artery
- 11. the upper chamber of the heart
- 12. the lower chamber of the heart
- 13. double membrane surrounding the heart
- 14. smallest blood vessel of the body
Down
- 1. innermost lining of blood vessels
- 2. instrument to measure blood pressure
- 4. partition or wall dividing a cavity
- 5. relaxation phase of the heartbeat
- 7. abnormal swishing sound caused by improper closure of the heart valves
- 9. record of electrical activity of the heart
- 11. largest artery of the body