Across
- 5. only external part of respiratory system
- 6. main location for gas exchange
- 7. tube of muscles trailing from nasal cavities to esophagus
- 8. the windpipe
- 9. the process of supplying oxygen to the body and removing carbon dioxide
- 11. when there is not enough oxygen supply to tissues
- 13. the roof of mouth
- 14. cartilage found between the trachea and the pharynx
- 15. the system in charge of gas exchange
Down
- 1. part of roof of mouth that is not supported by a bone
- 2. remove debris and prevents infection
- 3. disease or allergic reaction causing difficulty breathing
- 4. branches that carry oxygen into lungs
- 10. located in the mucous membrane that vibrate to make sound
- 12. organ responsible for air exchange and gas exchange