Lungs LMS

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Across
  1. 3. an illness in which fluid builds up in the airways and keeps the lungs from working the right way
  2. 6. to breathe in
  3. 7. blood cells destroy germs, dust, and other items so we don't get sick
  4. 9. is cartilage that opens when you breathe and closes when you swallow food
  5. 10. also called the windpipe
  6. 12. Dioxide waste you breathe out from your body
Down
  1. 1. are small tubes that carry air to the lungs
  2. 2. to breathe out
  3. 4. type of nervous system that controls how fast or often you breathe
  4. 5. System controls the exchange of oxygen and carbon dioxide in the body
  5. 8. membranes keep moisture in your lungs and germs out
  6. 11. are tiny balloonlike sacs