Across
- 3. respond to pressure changes
- 4. prevents backflow of blood
- 6. helps form blood clots
- 8. white blood cell
- 11. blood flow from right atrium to right ventricle
- 13. thick middle layer of heart
- 16. carries blood away from heart
- 17. blood flow from ventricles to aorta and pulmonary trunk artery
- 18. returns blood back to heart
Down
- 1. blood flow from left atrium to left ventricle
- 2. cardiac myocytes joined by ends
- 5. covers heart valves and tendons
- 7. result of heart contraction
- 9. fluid portion of blood
- 10. contract to fill ventricles
- 12. red blood cell
- 14. inner layer of pericardium
- 15. empties into right atrium