Across
- 3. alveoli sacs are --------
- 4. diaphragm seperates-------- cavity and abdominal cavity
- 5. muscular flap
- 8. shock absorber
- 9. infection that affect lungs
- 10. inhalation
Down
- 1. Glucose+oxygen=CO2+H20+energy
- 2. energy generated from food
- 6. under control
- 7. cellular respiration