Across
- 2. also known as nasal passage and helps warm air as it enters the body
- 4. breathing in
- 9. the smallest branches of pathways in the lungs
- 11. the gas that we breath in
- 12. also known as the voice box
- 13. a habit that is extremely bad for your lung health
Down
- 1. the gas that we breathe out
- 3. the collection of organs responsible for delivering oxygen to the body
- 5. tiny sacs that exchange oxygen and carbon dioxide within the lungs
- 6. breathing out
- 7. also known as the windpipe
- 8. also known as the throat
- 9. the two tubes branching off from the trachea to connect with the lungs
- 10. the main organs of the respiratory system