Across
- 6. condition in which the heart beats slowly
- 8. blood clots blocking the blood vessels
- 9. lining surrounding the heart is inflamed
- 10. disease of the heart muscle
Down
- 1. lower chamber of the heart
- 2. irregular heartbeat
- 3. condition in which the heart beats rapidly
- 4. inflammation of the heart muscle
- 5. puncture of a vein to withdraw blood
- 7. upper chambers of the heart
- 11. primary organ of the cardiovascular system