organ systems

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Across
  1. 1. breaks down nutrients
  2. 4. gives the body shape
  3. 5. helps the body communicate
  4. 7. hormones; biological processes
  5. 8. delivers oxygen and nutrients; heart
  6. 9. responsible for movement
  7. 11. protects body from infections and injury
Down
  1. 2. maintains the volume of body fluids
  2. 3. sperm and egg
  3. 6. gives the body fresh air
  4. 10. maintains fluid levels