Respiratory system

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Across
  1. 4. most amount of air in and out of the lungs
  2. 5. helps directs food and liquid to your esophagus
  3. 7. sits under the lungs attached to the rib cage
  4. 8. cavity in your chest
Down
  1. 1. allergic reaction to pollen or dust
  2. 2. wheezing and shortness of breath
  3. 3. “tree like” air pathways
  4. 6. protects lungs and heart