Respiratory System

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Across
  1. 5. Two layered membrane surrounding each lung
  2. 7. (2 words) Space between the two layered pleura
  3. 9. Respiratory muscles contract, increase volume in lungs
  4. 10. Smaller subdivided lobes in the lungs
  5. 12. Passive process, movement of high to low concentration
  6. 13. (2 words) Two sets of membranous folds of tissue in the larynx
  7. 16. Hollow spaces in bones of the skull
  8. 17. Type of hyaline cartilage at the base of the larynx
  9. 18. Smaller branches of air tubes
  10. 20. Largest cartilage and is also known as the Adam’s apple
  11. 21. Length of vocal cords
  12. 23. Two large trachea tubes that carry air into the lungs
Down
  1. 1. Cartilage that prevents food from entering the airway
  2. 2. Hollow tube connecting the nasal cavity and mouth
  3. 3. Respiratory muscles relax, decrease volume in lungs
  4. 4. Microscopic air sacs
  5. 6. (2 words) Openings at the base of nose to the external environment
  6. 7. (2 words) Slippery liquid as a lubricant to reduce friction and is around the lungs
  7. 8. Rigid tube that connects the larynx to the bronchial tree. Also known as the windpipe
  8. 11. (2 words) Auditory tubes connecting the middle ear to the nasopharynx
  9. 14. Pair of organs that supply the body with oxygen and remove carbon dioxide
  10. 15. Inflammation of the mucosal membranes
  11. 19. Biochemical process of energy production in cells
  12. 20. Inflammation of the palatine tonsils
  13. 22. Connects the pharynx and trachea, and is a passageway for air and sound production