Respiratory system

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Across
  1. 5. connects the throat to the stomach
  2. 8. area between the abdomen and the neck
  3. 9. connects the nose and mouth to the esophagus
  4. 10. air entering the bloodstream
Down
  1. 1. muscle that separates the thorax and abdomen
  2. 2. air sacks in the lungs that allow for gas exchange
  3. 3. tissue that sits under the tongue at the back of the throat
  4. 4. air passage inside the lungs
  5. 6. connects the larynx and bronchial tubes to the lungs
  6. 7. breathing air out