Human organ systems

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Across
  1. 2. This human organ system breaks down food into simple substances.
  2. 4. This human organ system carries waste materials away from different parts of the body.
  3. 6. This human organ system helps different parts of the body to move.
  4. 7. This human organ system gives the body shape.
Down
  1. 1. Different parts of a system work together to carry out a ______________.
  2. 3. Living thing is considered as a _______________ because all the parts work together to help it stay alive.
  3. 5. This human organ system takes in and removes air from the body.