Human Body Systems Functions

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Across
  1. 5. The tendency to maintain a stable internal environment in an organism
  2. 8. The system that allows the body to move by contraction and relaxation
  3. 10. The system that maintains fluid levels in body tissues
  4. 11. The system that acts as a barrier between the outside and inside of the body
  5. 12. The system that releases hormones to regulate body activities
Down
  1. 1. The system that helps movement, protects your organs, and stores minerals
  2. 2. The system that removes carbon dioxide from the body
  3. 3. The system that breaks nutrients down to be absorbed
  4. 4. The system that carries oxygen and removes waste from cells
  5. 6. The system that removes wastes from the body
  6. 7. The system that fights diseases
  7. 9. The system that detects information from outside and sends it to the brain