Across
- 3. largest artery
- 7. innermost lining of blood vessels
- 9. also the heart artery
- 10. double-layered membrane surrounding the heart
- 11. pertaining to the artery and ventricle
- 13. blood vessel with elastic tissue
- 14. blood vessel that carry blood to the heart
Down
- 1. upper chambers of the heart
- 2. smallest type of blood vessels
- 4. blood pressure instrument
- 5. lower chambers of the heart
- 6. beat of the heart
- 8. inner lining of the heart
- 12. structure in a vein that prevents blood backflow