human body systems

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Across
  1. 3. connected to the bone to move the body
  2. 5. pumps blood through out the body
  3. 7. needed to breath
Down
  1. 1. carry's blood to different parts of the body
  2. 2. where food gets digested by acid
  3. 4. you need it to move your body
  4. 6. air enters and gets filtered
  5. 7. maintains hormone balance