Across
- 3. Largest cardiac vein (7,5)
- 4. Valves between ventricles and large arteries (9)
- 7. Receiving chambers (5)
- 8. Largest artery in systemic circuit (5)
- 10. Oval structure in interatrial septum (5,6)
- 15. Fibres carrying action potentials to ventricular muscle (8)
- 16. Outer layer of the heart's wall (10)
- 17. Short, low pressure circulation (9)
- 18. Wall separating right and left side (6)
Down
- 1. Inner lining of the heart's chambers (11)
- 2. Conductile node, true pacemaker (4,6)
- 5. Other name for bicuspid valve (6)
- 6. Heart's muscle (10)
- 9. Valve on right side (9)
- 11. Large, high pressure circulation (8)
- 12. ______tendineae(7)
- 13. Ejection chambers (10)
- 14. Heart's own blood supply (8)
- 17. Muscular projection from ventricular wall (9)