Organ System Crossword Puzzle

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Across
  1. 6. to produce sperm and egg cells
  2. 7. responsible for movement
  3. 8. in charge of hormones
  4. 9. getting fresh air and releasing waste gas
Down
  1. 1. transmits signals from the brain and the body
  2. 2. breaks nutrients into smaller pieces
  3. 3. protects your body from bacteria
  4. 4. delivers oxygen to the cells
  5. 5. gives the body shape and allows movements