Circulatory System

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