Body Movement

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Across
  1. 3. Heart and lungs protect by
  2. 5. The locomotory organ of a snail.
  3. 7. The skeleton is made of bones and
  4. 8. Red blood cells and some white blood cells are produced by
  5. 9. Meeting place of two bones.
Down
  1. 1. Movement in human is due to bones and
  2. 2. The organ that protect the spinal cord.
  3. 4. Longest bone in our body.
  4. 6. Brain is protect by it.