cool body parts

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Across
  1. 3. the smallest bone in the body
  2. 4. this little piggy went to the market
  3. 7. the bundle of fibres that separates the 2 brain hemispheres
  4. 9. the moon-shaped thing on your finger nails
  5. 10. the space between your eyebrows
Down
  1. 1. secretes insulin
  2. 2. prevents you from choking when swallowing food
  3. 5. the optic disc
  4. 6. a 2-layered membrane that protects the lungs from friction
  5. 8. another word for the outside of the ear