Across
- 2. blood vessel that carry blood towards the heart
- 3. protein in red blood cells
- 5. the smallest blood vessel
- 6. defender of our body
- 8. Heart valves that carry blood out of the heart
- 9. heart valves that receives blood
Down
- 1. carrier of oxygen
- 4. useful when blood clots
- 7. blood vessel that carry blood away from heart