Across
- 5. Lower heart chamber
- 7. response Body’s defense reaction
- 9. Loosen
- 11. Upper heart chamber
- 12. Tiny vessel where exchange happens
- 14. Muscular pump organ
- 16. Heartbeat felt in arteries
- 18. Carry oxygen
- 19. Tubes that carry blood
- 21. Blood rich in oxygen
- 22. Carries blood away from heart
- 26. Heart and blood vessels transporting blood
- 27. Stopping bleeding
Down
- 1. Help blood clot
- 2. Fight infection
- 3. Protein that carries oxygen
- 4. Carries blood to lungs
- 6. Squeeze
- 8. Main artery from heart
- 10. Movement of substances
- 11. Proteins that fight germs
- 13. Prevents backflow of blood
- 15. Tissue that transports substances
- 17. Liquid part of blood
- 20. Blood with less oxygen
- 23. Carries blood from lungs
- 24. Carries blood toward heart
- 25. Hemoglobin with oxygen attached