Across
- 2. partition
- 5. valve between left atrium and left ventricle
- 6. largest artery in the body
- 8. closes an opening
- 11. lower tip of the heart
- 13. valve between right atrium and right ventricle
- 15. smallest type of blood vessel
- 16. abnormal swishing sound
- 17. small vein
Down
- 1. contraction phase of the heartbeat
- 3. inner lining of the blood vessels
- 4. inner lining of the heart
- 7. muscular layer of the heart
- 9. upper chambers of the heart
- 10. carries blood away from the heart
- 12. beat of the heart
- 14. relax phase of the heartbeat
- 15. Greek word meaning stupor