Hierarchical Organization

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Across
  1. 4. Get rid of toxins in blood
  2. 8. Organ system that lets you move
  3. 9. Produce chemicals that helps regulate growth
  4. 10. Pumps blood
  5. 11. basic building block of all living organisms
  6. 12. Removes waste from body
Down
  1. 1. Controls muscle movement
  2. 2. Group of cells that works together
  3. 3. Secrete hormones
  4. 5. Get rid of waste from blood
  5. 6. Captures oxygen from atmosphere
  6. 7. Gives the body structure