Human organ systems

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Across
  1. 4. This human system gives the body shape.
  2. 6. This human system carries waste materials away from different parts of the body.
  3. 7. Undigested food enters the large __________.
Down
  1. 1. This human system helps different parts of the body to move.
  2. 2. The __________ system breaks down food into simple substances.
  3. 3. This human system takes air into the body.
  4. 5. Different parts of a system work together to carry out a ________.