Across
- 3. pertaining to the artery
- 4. innermost lining of blood vessels
- 6. relaxation phase of heartbeat
- 8. contraction phase of heartbeat body
- 9. carries blood away from the heart
- 10. inadequate oxygen in tissues
- 11. one of two upper chambers of the heart
- 14. one of two lower chambers of the heart
- 15. smallest type of blood vessels
- 16. inner lining of the heart
Down
- 1. small artery
- 2. enlarged heart
- 5. cava, largest vein in the body
- 7. largest artery in the body
- 12. muscular middle layer of the heart
- 13. small vein