Across
- 1. the relaxation of heart muscle
- 3. the partitioning wall between right and left chambers
- 5. the main vein that opens to heart
- 8. valve between left atrium and left ventricle
- 10. the medical term related to heart
- 11. the lower chamber of heart
- 13. the medical term related to blood vessels
- 15. the tough membrane that covers heart
- 16. valve between right ventricle and pulmonary artery
Down
- 2. the main artery from heart
- 3. the contraction of heart muscle
- 4. valve between right atrium and right ventricle
- 6. valve between left ventricle and aorta
- 7. the pacemaker of heart
- 9. the upper chamber of heart
- 12. another name for atrioventricular valve [AV valve]
- 14. the term related to lungs