Across
- 3. Can breathe and eat through
- 4. Complex series of chemical reactions in a cell
- 6. Hair like extensions in nasal cavity
- 9. Fold of connective tissue that produces voice
- 10. Small sacks where gas exchange occurs
- 11. What the body breathes in for life
- 12. Throat
Down
- 1. Dome-shaped muscle that helps you breathe
- 2. Main organs of the respiratory system
- 5. Windpipe, feels like tube, ridges
- 6. What we breathe out through respiration
- 7. Voicebox, helps you speak
- 8. Passages that direct air to the lungs
- 13. Where air enters the body