Respiratory System Vocabulary

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Across
  1. 4. minute hairlike projections extending from the surface of a cell
  2. 7. small airways between the bronchi and the alveoli
  3. 11. hoarse voice
  4. 12. a disease in which the air sacs have lost elasticity and are torn open
  5. 13. loss of the ability to smell
  6. 14. high-pitched sound caused by spasm or swelling in the larynx
  7. 18. tiny air sacs in the lungs
  8. 19. the double membrane encircling the lungs
  9. 20. nosebleed
Down
  1. 1. intermittent noise in lungs indicating the opening of moisture-filled alveoli
  2. 2. sheet of muscle at the base of the lungs which assists in inspiration of air
  3. 3. whooping cough
  4. 5. voicebox
  5. 6. the absence of breathing
  6. 8. continuous sounds in lungs caused by secretions in the airways
  7. 9. collection of pus in the pleural cavity
  8. 10. the flap in the throat which closes the top of the trachea during swallowing
  9. 15. windpipe
  10. 16. tough elastic connective tissue that is more rigid than ligaments
  11. 17. the coughing up or spitting of blood