Across
- 1. carries nutrient and metabolic waste
- 6. largest artery
- 8. prevent infection in human body
- 9. blood carries less oxygen
- 10. upper part of heart chambers
- 14. blood vessel found in tissues
Down
- 2. blood contains oxygen
- 3. blood vessel found in heart
- 4. prevent blood back-flow
- 5. ventricle pumps blood all over the body
- 7. amount of human heart's chamber
- 11. heart valve found in the right part of heart
- 12. structure separate left and right sides of heart
- 13. carries blood away from heart