Across
- 6. exercise without oxygen
- 8. tubes in the lungs that branch off from the larger version of itself.
- 10. the title
- 12. the region between the abdomen and the root of the neck. It also has a wall
- 13. ballon shaped structures that are at the end of the respirtory tree
Down
- 1. muscle that allows us to breath
- 2. a group of muscles found between the ribs
- 3. the airway that conducts air into the lungs
- 4. deficit of oxygen
- 5. we need to do this to survive
- 7. a tube in your neck
- 9. the supply of air to the lungs
- 11. exercise with oxygen