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Across
  1. 2. There are 206 ……………….. in our body.
  2. 4. To remain ……………….. we should get enough sleep.
Down
  1. 1. There are 360 ……………….. in our body.
  2. 3. The muscles in our ……………….. are small.
  3. 4. Ribs protect the ……………….. and lungs.