Respiratory and Circulatory System

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Across
  1. 6. Bacterial lung infection of the lungs
  2. 8. Largest artery
  3. 9. High blood pressure
  4. 10. Breathing muscle
  5. 12. Upper heart chamber
  6. 13. Liquid part of blood
  7. 14. Smaller branches of bronchi
  8. 15. Carry oxygen
  9. 18. Gas exhaled
  10. 19. Small arteries
  11. 22. Windpipe
  12. 23. Pumps blood
  13. 26. Relating to the lungs
  14. 27. Lung disease caused by damaged alveoli
  15. 29. Organs for breathing
  16. 30. Carry blood back to heart
  17. 31. Process of moving air in and out of lungs
  18. 34. Help clot blood
  19. 35. Found in larynx for sound
  20. 36. Viral infection also called the flu
Down
  1. 1. Prevent backflow in heart and veins
  2. 2. Flap preventing food from entering trachea
  3. 3. Fight infection
  4. 4. Tiny blood vessels for exchange
  5. 5. Condition causing narrowed airways
  6. 7. Airways branching from trachea
  7. 9. Oxygen-carrying protein
  8. 11. Heartbeat felt in arteries
  9. 13. Passage for air and food
  10. 14. Inflammation of bronchi
  11. 16. Blood flow throughout body
  12. 17. Gas we inhale
  13. 19. Carry blood away from heart
  14. 20. Lower heart chambers
  15. 21. Voice box
  16. 24. Sticky fluid trapping dust in airways
  17. 25. Gas exchange process
  18. 28. Condition with low red blood cell count
  19. 32. Brain damage from interrupted blood flow
  20. 33. Air sacs for gas exchange