THE GRID OF SQUARES

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Across
  1. 2. means the back
  2. 5. increasing in size without changing in shape
  3. 7. cells of complex organisms
  4. 8. consist of bones
  5. 11. cavity containing the teeth and tongue
  6. 14. removal of waste in the body
  7. 16. portion includes head, neck and trunk
  8. 17. atoms join to form
  9. 18. to stabilize or balance
  10. 19. study of blood diseases
  11. 20. powerhouse of the cell
Down
  1. 1. a group of cells
  2. 3. application of force
  3. 4. cavity that houses the brain
  4. 6. sole
  5. 9. control metabolic activities
  6. 10. feedback, is not reversed but intensified
  7. 12. means below another part
  8. 13. means cutting up
  9. 15. breaking down of food substance