Science Project

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Across
  1. 1. WHere is the largest bone located in the body
  2. 3. What thing in the body is made mostly out of Calcium
  3. 4. Which part of the skeletal system protects the heart and lungs
Down
  1. 2. Which part of the skeletal system protects the brain
  2. 3. which part of the skeletal system is in our back