Across
- 3. tiny air sacs inside the lungs
- 7. when respiration is without oxygen
- 8. an allergic reaction on respiratory system
- 12. cellular respiration with oxygen
- 13. the sound box
- 15. bacterial infection in respiratory system
- 16. main organs of respiratory system
Down
- 1. damage to the alveoli in lungs
- 2. branches of bronchus
- 4. other name for food pipe
- 5. process by which body gets oxygen
- 6. exchange of gases between body and air
- 9. junction between food pipe and breathing tube
- 10. tube with cartilaginous rings
- 11. the tube that connects trachea to lungs
- 14. the muscular partition between chest and abdomen