Across
- 3. sudden infant death syndrome
- 5. chronic obstructive pulmonary disease
- 6. chest
- 8. lung
- 9. upper respiratory infection
- 10. sleep
- 12. breathing
Down
- 1. sound,voice
- 2. to breathe
- 4. sinus
- 5. cystic fibrosis
- 6. tuberculosis
- 7. runny nose
- 11. nose
- 12. pharynx