Across
- 3. veins have these
- 5. the smallest blood vessels
- 8. brings blood back to the heart
- 9. red blood cells carry this
- 11. the main artery carry blood from the heart
Down
- 1. clot the blood
- 2. transport heat in the blood
- 4. the number of chambers in the heart
- 6. brings blood away from the heart
- 7. white blood cells fight this
- 10. separates the two sides of the heart