Across
- 2. smallest blood vessel
- 5. carries blood toward the heart
- 6. clots blood
- 9. main vein in the body
- 11. inner layer of the heart
- 12. main artery in the body
- 14. white blood cells
Down
- 1. muscle layer of the heart
- 3. main artery carrying blood from the heart to the rest of the body
- 4. bottom half of the heart
- 5. deoxygenated blood
- 7. carries blood away from the heart
- 8. outer layer of the heart
- 10. the top half of the heart
- 13. disk shaped cells