Respiratory System

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Across
  1. 3. – small air tubes inside the lungs
  2. 4. (O₂) – gas your body needs to survive
  3. 6. Exchange – swapping oxygen and carbon dioxide in the lungs
  4. 7. – windpipe that carries air to the lungs
  5. 10. – flap that stops food from entering the lungs
  6. 12. – sensors that detect oxygen and carbon dioxide levels
  7. 14. – tiny air sacs where gas exchange happens
  8. 15. – condition where airways narrow and make breathing hard
Down
  1. 1. – voice box that helps you speak
  2. 2. – muscle that helps you breathe in and out
  3. 5. Feedback – system that fixes changes to keep balance
  4. 8. – keeping the body balanced and stable
  5. 9. – two main airways that go into each lung
  6. 11. – lung infection that fills air sacs with fluid
  7. 12. – long-term lung disease that makes breathing difficult
  8. 13. Dioxide (CO₂) – waste gas your body removes