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