Human Body System

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Across
  1. 1. The system that is responsible for the exchange of air.
  2. 3. The body system that helps move the body together with the skeletal system.
  3. 5. The other name of backbone.
  4. 7. The part of the circulatory system that connects the nose and mouth to lungs.
  5. 9. This is where our blood flows.
Down
  1. 2. The air that is removed from our body.
  2. 4. The air that is needed for our body.
  3. 5. This part of our body protects our brain from damages.
  4. 6. This part of the skeletal system protects the heart and lungs.
  5. 8. This organ pumps blood to all body parts.