Easy Human Systems

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Across
  1. 3. protects the heart and lungs
  2. 5. Carry blood to different parts of the body
  3. 7. pumps oxygen and blood to different parts of the body
Down
  1. 1. it gives our body shape
  2. 2. it is in the middle of the nose and lungs
  3. 4. You use it to breathe in air
  4. 6. it protects your brain