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Across
  1. 3. C shape
  2. 4. oxygen sacks
  3. 6. has your tongue in
  4. 7. tube from windpipe to lungs
  5. 8. affects how body turns food into sugar
Down
  1. 1. when cells grow uncontrollably
  2. 2. muscle that helps you breath
  3. 5. mega sacks