The Respiratory System

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Across
  1. 4. Voice box
  2. 8. Splits into a Y, many sets that break off
  3. 9. Adam's apple, provides support and protection to vocal folds and larynx
Down
  1. 1. A flap that preforms a vital task by switching between the esophagus and trachea
  2. 2. tubes that go throughout the lungs so all areas receive air
  3. 3. c shaped cartilage rings to keep airways open
  4. 5. filters air before entering respiratory tract
  5. 6. Acts as an intermediary between nasal cavity, larynx and esophagus
  6. 7. Alternative when nasal cavity is not functioning properly