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