Across
- 3. anchor AV valves to walls of ventricles
- 5. valves located between ventricles and arteries
- 7. left AV valve between left atria and left ventricle
- 9. outermost layer of the heart muscle
- 12. semilunar valve between right ventricle and pulmonary trunk
- 13. middle layer of heart muscle; contracts heart
- 14. valves located between atria and ventricles
Down
- 1. circuit pump sending oxygen-poor blood to lungs
- 2. innermost layer of the heart muscle
- 4. right AV valve between right atria and right ventricle
- 5. circuit pump sending oxygen-rich blood to tissues
- 6. semilunar valve between left ventricle and aorta
- 8. protects heart and anchors it to diaphragm
- 10. superior chambers of the heart that receive blood
- 11. inferior chambers of the heart that pump blood