Page 19 Crossword

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Across
  1. 4. Do work without getting paid
  2. 5. An action you're used to doing
  3. 6. Scientific studies
  4. 7. A type of desease realated to insulin
  5. 10. Much overweight
Down
  1. 1. State
  2. 2. An organ used for breathing
  3. 3. Feeling very sad
  4. 8. Make better
  5. 9. Going on a walking trip