Respiratory system

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Across
  1. 3. - air sacs of the lungs which allow for rapid gaseous exchange.
  2. 5. - it has spiracles
  3. 6. -its position is down and in during exhalation
  4. 7. - main respiratory organ
  5. 8. -the part projecting above the mouth on the face of a person or animal
  6. 9. — it moves down during inspiration
Down
  1. 1. -the tailed aquatic larva of an amphibian (frog)
  2. 2. - main respiratory organ for aquatic animals
  3. 4. - The airway that leads from the larynx to the bronchi.
  4. 6. -the action of breathing