Hzkswnx

1234567891011121314151617181920212223242526272829303132333435363738
Across
  1. 7. : Muscle that helps air move in and out
  2. 8. : Voice box; produces sound
  3. 9. : Releasing air out of lungs
  4. 12. : Blood flow between heart and lungs
  5. 13. : Liquid part of blood carrying nutrients and hormones
  6. 14. : Windpipe; carries air to the lungs
  7. 16. : Flap that prevents food from entering airway
  8. 18. : Defend the body against infections
  9. 24. : Gas inhaled for cellular respiration
  10. 25. : Protein in red blood cells binding oxygen
  11. 26. : Largest artery carrying oxygen-rich blood
  12. 27. : Waste gas exhaled by lungs
  13. 29. : Throat; connects mouth and nasal passages to larynx
  14. 30. : Carry oxygen using hemoglobin
  15. 33. : Blood flow to the whole body
  16. 34. : Sticky fluid trapping dust and pathogens
  17. 36. : Continuous blood movement in the body
  18. 38. : Main airway passage inside the nose
Down
  1. 1. : Tiny blood vessels for gas/nutrient exchange
  2. 2. : Main organs of breathing; contain alveoli
  3. 3. : Filters, warms, and moistens incoming air
  4. 4. : Vessels carrying blood away from the heart
  5. 5. : Tiny air sacs where gas exchange happens
  6. 6. : Help blood clot to stop bleeding
  7. 10. : Two large tubes leading to each lung
  8. 11. : Breathing air into lungs
  9. 12. : Membrane covering lungs
  10. 13. : Rhythmic heartbeat felt in arteries
  11. 15. : Lower heart chambers pumping blood out
  12. 17. : Carries deoxygenated blood to lungs
  13. 19. : Smaller airways branching from bronchi
  14. 20. : Prevent backflow of blood in veins and heart
  15. 21. : Carries oxygenated blood from lungs
  16. 22. : Chest cavity housing lungs and heart
  17. 23. : Force of blood on vessel walls
  18. 28. : Process of oxygen exchange and energy release
  19. 31. : Vessels returning blood to the heart
  20. 32. : Pumps blood throughout the body
  21. 35. : Hair-like structures that trap dust and microbes
  22. 37. : Upper heart chambers receiving blood