Across
- 2. voice box
- 5. Throat portion of the respiratory system
- 6. where the lungs and the blood exchange oxygen and carbon dioxide
- 9. has incomplete cartilaginous walls that are stabilized by ligaments and skeletal muscles
Down
- 1. carry air to and from your lungs
- 3. windpipe
- 4. Has two distinct phases
- 7. the center of your whole respiratory system
- 8. play an important role in locomotion