JosephI- period 3

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Across
  1. 3. is the center, which is soft
  2. 6. make keratin, a type of protein that's a basic component of hair, skin, and nails.
  3. 8. shaft, the part that sticks out from the skin's surface.
Down
  1. 1. is the whitish crescent-shaped area at the base of the nail.
  2. 2. make melanin, the pigment that gives skin its color
  3. 4. cells help protect the body against infection.
  4. 5. is the skin below the nail.
  5. 7. plate is the looks pink because of the network of tiny blood vessels in the underlying dermis.