Across
- 1. the area where the heart lies
- 3. hardening
- 4. the top of the heart
- 9. the inner layer of the heart
- 13. chest
- 14. infarction the heart attack, the lack of blood flow is caused by a blockage or a narrowing in one of the coronary arteries
- 16. pulse
Down
- 2. narrowing
- 5. the small arteries
- 6. fast
- 7. has the function to pump blood to the rest of the body
- 8. the outer layer of the heart, the visceral pericardium
- 10. the muscular layer that contracts to pump blood
- 11. the largest artery in the body
- 12. heart
- 15. the bottom of the heart