Across
- 3. smallest blood vessel
- 6. upper Chambers of the heart
- 7. outer layer of the heart
- 8. Largest vein
- 11. Platelet
- 12. Red blood cells
- 14. White blood cells
- 15. The most inside layer of the heart
Down
- 1. vein that carries oxygenated blood to heart
- 2. The largest artery
- 4. artery that carries deoxyginated blood away from the heart
- 5. Blood vessel that carries blood away from the heart
- 9. lower Chambers of the heart
- 10. the middle layer of the hearts wall
- 13. Blood vessel that carries blood to the heart