Across
- 3. double-layered membrane surrounding the heart
- 5. first valve in the right side of the heart
- 7. largest veins
- 9. blood vessel with valves that takes blood back to the heart
- 10. smallest blood vessels
- 12. small veins
- 13. upper chamber of the heart
Down
- 1. dividing cavities
- 2. lower chamber of the heart
- 4. control blood flow ( has cusps)
- 6. lining of blood vessels to control clots
- 8. aka mitral valve
- 10. pertaining to the heart
- 11. beat of the heart as felt through arteries
- 13. largest artery