Body Puzzle

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Across
  1. 2. Pumps blood around the body?
  2. 3. Holds blood cells in it?
  3. 4. Another name for windpipe
  4. 6. What two organs aren't the same size?
  5. 8. Weights less then a pound?
  6. 9. What part in the cell is everything made?
Down
  1. 1. What protects the cell?
  2. 5. Protects the heart?
  3. 7. What part in the cell holds the DNA?