Respiratory System

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Across
  1. 2. Connects mouth to the larynx and esophagus
  2. 4. Hair like structures that filter out particles entering nasal cavity
  3. 9. Thin layer of tissue that lines the pleural cavity
  4. 10. To breathe out, diaphragm relaxes, moves upwards
  5. 11. flap of cartilage located behind the tongue
Down
  1. 1. hereditary disease caused by excess mucus in the body
  2. 3. Muscle located at the bottom of lungs
  3. 5. Disease caused by inflammation of the air sacs in the lungs
  4. 6. voice box
  5. 7. Has 2 lobes
  6. 8. Tube that connects trachea to lungs