Across
- 4. Spaces within the skull bones.
- 7. Muscle that separates the thoracic cavity from the abdominal cavity.
- 10. A condition where the alveoli becomes filled with fluid.
- 12. Caused by bacteria called mycobacterium tuberculosis.
- 13. Duct, Thin-walled tubes, lined with simple squamous epithelium.
- 15. Keeps alveoli from collapsing.
- 17. cancer, Irregular and uncontrolled growth of tumors.
- 19. Two branches at the end of the trachea.
- 21. Respiratory center of the brain.
- 22. Divides left and right nostrils.
- 24. Covers larynx during swallowing.
- 28. Condition where the alveoli deteriorate.
- 29. Also known as chronic obstructive pulmonary disease.
- 30. Pause of breathing during sleep.
Down
- 1. Inflammation of the lining of the bronchioles.
- 2. Have scattered goblet cells.
- 3. System, Work closely with circulatory system exchanging gases between air and blood.
- 5. Keeps the windpipe "open"
- 6. Fluid build up in air sacs caused by attitude sickness.
- 8. Cavity where lungs sit.
- 9. Air sacs for gas exchange.
- 11. Fine tubes that allow passage of air.
- 14. Contains vocal cords.
- 16. Required for cellular respiration.
- 18. Opening with vocal cords.
- 20. Cavity, Filters, warms, and moistens air.
- 23. Spasm of the diaphragm.
- 25. Organ of gas exchange.
- 26. Intersection where pathway for air and food cross.
- 27. Severe allergic reaction characterised by the constriction of bronchioles.