Body Parts

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Across
  1. 1. Navel is on it.
  2. 4. We eat with it?
  3. 6. On fingers there are?
  4. 7. No mater how we try we can't see it.
Down
  1. 2. It's dark when we close our?
  2. 3. Hands and Legs are?
  3. 5. On top of our head is?
  4. 6. It connects our head and trunk.