Respiratory System Crossword

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Across
  1. 4. An Organ that gives the body oxygen
  2. 5. Tiny branch of air tubes
  3. 8. Very contagious infection in the respiratory system
  4. 9. Trouble breathing due to allergic reactions
  5. 10. A dome shaped muscle at the bottom of the lungs that separates the lungs from the rest of the organs
  6. 11. Air passes through it and makes a sound
  7. 12. Air passes through it and it makes sound
Down
  1. 1. Tiny air sacs of the lungs
  2. 2. A disease in the lungs when pus fills the lungs
  3. 3. A long tube used to connect the voice box to the lungs
  4. 6. A type of cancer that forms in the lungs that happens in the lung tissues
  5. 7. A layer of tissue that covers the lungs