Human Body Systems

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Across
  1. 3. The system that helps remove liquid waste.
  2. 5. The system that helps your body move with muscles.
  3. 6. The system that breaks down food.
  4. 7. The body's control center system.
Down
  1. 1. The system made up of bones.
  2. 2. The organ that pumps blood.
  3. 4. The system that carries blood through the body.