Human Respiratory System

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Across
  1. 2. organ below larynx
  2. 3. bigger lung
  3. 5. sacs present in the lungs
  4. 6. the organ which takes in air
  5. 7. oxygen is flowed through our body with this
  6. 9. the pipe which takes air to bronchi
  7. 10. voice box
Down
  1. 1. organ which is divided into two parts
  2. 4. oxygen changed with this gas
  3. 8. organ present between lungs and chest wall