Across
- 2. Smallest vessels
- 4. Receives blood
- 5. Carries oxygen and nutrients
- 7. Pumps blood
- 8. Pumps blood out
- 9. Harms the heart
- 11. Where gas exchange happens
- 12. Largest artery
- 14. Keep blood moving one way
- 15. Need extra oxygen
- 18. Fight infection (2 words)
- 20. Heart pumping action
- 22. Moves blood through the body (2 words)
- 23. Gas cells need
- 24. Kinds of blood (2 words)
- 25. Carry blood away
- 26. Carry oxygen (2 words)
- 27. Tubes that carry blood (2 words)
Down
- 1. Liquid in blood
- 3. Waste gas
- 6. Wall in the heart
- 8. Carry blood back
- 10. Needed substances from food
- 13. Help blood clot
- 16. Basic body units
- 17. Tiny air sacs
- 19. Stops bleeding
- 20. Good foods for the body (2 words)
- 21. Keeps heart healthy
