Across
- 3. Blood from LE’s travels here to heart
- 4. Guide ropes attached to papillary mm
- 6. Cardiac muscles
- 11. Primary veins dumping into superior vena cava
- 12. Thicker of the two ventricles
- 13. Depression in adults, foramen in fetus
- 14. Left AV valve
- 15. Collection of neurons in R atria near SVC
- 16. Outermost layer
- 17. Sound made by semilunar valves closing
- 19. Left sided semilunar valve
- 20. Valve between pulmonary trunk and right ventricle
- 21. Divider between atria
- 22. Inner layer of endothelial cells with some connective tissue
- 23. Right AV valve
Down
- 1. Grooves for location of primary anterior and posterior cardiac vessels
- 2. Intercostal space where apex is located
- 5. Irregular muscular columns in ventricles
- 7. Dumps blood into R atrium
- 8. Veins which drain into L atria
- 9. Side of heart located anteriorly in thorax
- 10. Coronary sinus dumps here
- 18. Portion of heart resting on diaphragm
- 20. Muscles which prevent AV valves from entering artia