Respiratory System

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Across
  1. 2. Large space in the anterior aspect of the skull that lies inferior to the nasal bones and superior to the oral cavity and forms the majority of the nose
  2. 3. Tubes and tissues within the lungs where gas exchange occurs form the _____ zone.
  3. 4. Surface of the long lying against the ribs.
  4. 9. The nose, nasal cavity, pharynx, and associated structures make up the _____ respiratory system.
  5. 11. Broad inferior portion of the lung, concave and fits over the convex area of the diaphragm.
  6. 14. The voice box, that connects the laryngopharynx with the trachea
  7. 17. Paired cone shaped organs in the thoracic cavity.
  8. 18. Located on the posterior wall of the nasopharynx, this structure provides protection against infections and flushes away unwanted particles
  9. 20. Entering the lungs, the primary bronchi divide to form smaller bronchi called
  10. 21. Superior portion of the pharynx that lies posterior to the nasal cavity and extends to the plane of the soft palate
  11. 22. Narrow superior portion of the lung
  12. 23. the largest cartilage of the larynx, consists of two fused plates of hyaline cartilage that form the upper anterior and lateral walls of the larynx and give it a triangular shape
  13. 27. Inferior pair of folds of the larynx that are the principal structures of voice production made up of bands of elastic ligaments stretched between the rigid cartilages of the larynx
  14. 28. Primary entryway for inhaled air
Down
  1. 1. The secondary bronchi continue to branch forming still smaller bronchi that supply the specific bronchopulmonary segments within the lobes
  2. 5. Smallest branches of bronchioles branch into even smaller tubes that represent the end of the conducting zone of the respiratory system.
  3. 6. Inferior portion of the pharynx that functions as both a respiratory and digestive pathway
  4. 7. The tertiary bronchi divide into ___ which branch repeatedly
  5. 8. At the superior border of the fifth thoracic vertebra, the trachea divides into the ______ . One goes into the left lung and one goes into the right lung
  6. 10. Superior pair of folds of the larynx that function in holding the breath against pressure in the thoracic cavity
  7. 12. Arch-shaped muscular partition that forms the posterior portion of the roof of the mouth
  8. 13. Funnel shaped tube about 5 in. long composed of skeletal muscles and lined with a mucous membrane, that functions as a passageway for air and food and aids in swallowing
  9. 14. The larynx, trachea, bronchi, and lungs make up the _____ respiratory system.
  10. 15. This portion of the long contains a region called the hilum, through which bronchi, pulmonary blood vessels, lymphatic vessels, and nerves enter and exit.
  11. 16. This portion of the pharynx has both respiratory and digestive functions as it is a common passageway for air, food, and drink; it lies posterior to the oral cavity and extends from the soft palate inferiorly to the level of the hyoid bone
  12. 19. Tubular passageway for air about 5 in. in length and 1 in. in diameter located anterior to the esophagus and extends from the larynx to the superior border of the fifth thoracic vertebra
  13. 24. A series of interconnecting cavities and tubes both outside and within the lungs that filter, warm, and moisten air and conduct it into the lungs form the _____ zone.
  14. 25. large, leaf‐shaped piece of elastic cartilage that is covered with epithelium that acts as a trap door to cover the larynx during swallowing
  15. 26. Extension of bone and cartilage from the face covered by muscle and skin