Human Body Systems

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Across
  1. 3. responsible for sending signals to the brain about our environment
  2. 6. responsible for breaking down food
  3. 7. organ responsible for breathing
  4. 9. The main organ in the Nervous System
  5. 11. responsible for bringing in air and expelling Carbon Dioxide
Down
  1. 1. responsible for keeping us mobile and flexible
  2. 2. responsible for producing hormones and sending them around the body
  3. 4. responsible for removing waste from the body
  4. 5. responsible for moving blood around our bodies
  5. 8. organ responsible for breaking down our food, filled with acid
  6. 10. responsible for protecting our organs and keeping us upright