Human Body Organ Systems

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Across
  1. 2. Produces hormones and chemicals
  2. 4. Sends signals to your muscles
  3. 5. Removes waste and chemicals
  4. 7. Keeps your blood circulating
Down
  1. 1. Provides shape and support
  2. 3. Keeps you breathing
  3. 6. Smooth,Skeletal,and Cardiac