Respiratory System

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Across
  1. 1. opening from the pharynx to the trachea
  2. 4. common chamber that connects the mouth, nasal passages, trachea, and esophagus
  3. 5. tubes that branch from the trachea
  4. 7. tube with cartilage rings that begins at the glottis and ends at the bronchi
  5. 8. fluid that helps to maintain moisture on tissue surfaces and capture debris particles in the air
Down
  1. 2. organ in which gas exchange takes place
  2. 3. flap of tissue that closes the trachea when you swallow to prevent choking
  3. 6. voice box