Across
- 3. Vein on posterior wall of heart returning blood from coronary circulation
- 4. large veins returning blood to right atrium
- 5. Superior surface of heart
- 8. mitral valve
- 10. valve between Right ventricle and the exiting artery
- 12. Part of the visceral serous membrane covering the heart
- 14. large artery exiting left ventricle
- 16. Muscle pulling on heart strings
- 17. Internal lining of the heart
- 18. Carries blood away from heart
- 19. Chamber supplying systemic circuit
- 21. Muscular wall of the heart
Down
- 1. pumps blood to pulmonary circuit
- 2. valve between right atrium and right ventricle
- 6. Situated between the right and left ventricle
- 7. System with nerve network including SA and AV nodes
- 9. First arteries to exit aorta and supply myocardium
- 11. Anatomical name for Aortic and Pulmonary valves
- 13. Heart Strings
- 15. Inferior tip of heart
- 20. Carries blood to the heart
