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