Across
- 3. seperates the left and right side of heart
- 5. main artery
- 6. protein in blood carrying oxygen
- 7. a drug to reduce the risk of heart attack
- 8. type of muscles found in heart only
- 9. lower chambers of the heart
- 10. prevents backward flow of blood
Down
- 1. valves that are moon shaped
- 2. main vein
- 4. muscular and thick walled part of heart
- 5. upper chambers of the heart