Science systems and words

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Across
  1. 6. attached bones to the skeletal system
  2. 7. Makes up all of the bodys hormones
  3. 9. takes oxygen to breath and removes unwanted carbon dioxide
  4. 10. Organs that help you digest food and absorb nutrient from your food
Down
  1. 1. Sends messages back and forth between the brain and the body
  2. 2. blood that carry to and from the heart
  3. 3. the system that creates new life
  4. 4. The system that excretes waste from the body
  5. 5. the bodys frame work
  6. 8. The red liquid that circulates through your body