Across
- 4. the upper lobes of the lungs
- 7. membrane lined cavity in the respiratory system
- 8. where cellular respiration takes place
- 9. pump blood to body
- 10. another word for mouth (includes lips and other mouth anatomy)
- 13. first place air enters
- 15. carry oxygen from trachea to your lungs
- 16. air-filled space behind the nose
- 18. helps breathing
- 19. hollow muscular organ that houses the vocal cords
Down
- 1. deprivation of oxygen to the body
- 2. the trachea is an _________.
- 3. keeps alveoli from collapsing
- 5. The __________ system that helps the body inhale oxygen and exhale Carbon Dioxide
- 6. bones that divide nasal cavity
- 11. external opening in the nasal cavity (visible on face)
- 12. spaces within the skull bones
- 14. major respiratory muscle, located under lungs
- 17. condition where airways narrow and swell