Across
- 6. irregular heartbeat
- 7. series of vessels that carry blood from the heart
- 8. study of the heart
- 9. large artery that receives blood
- 10. carries blood from the body to the heart
- 11. chest pain
- 13. damage from lack of oxygen
- 14. atheroma
Down
- 1. slow heartbeat
- 2. rapid contractions of heart muscles
- 3. controls the hearts beating
- 4. inflammation of heart valves
- 5. narrowing or constriction
- 10. lower chambers
- 12. an opening