Parts of the body

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Across
  1. 3. button A human navel
  2. 7. A caslike expansion of the digestive track located inside your belly
  3. 9. Small brownish spots in the skin caused by the exposure to sunlight
  4. 10. The typically narrowed part of the body between the hips and chest or upper back
Down
  1. 1. The pair respiratory organ
  2. 2. The ridge over the eye or the hair growing usually in a line or arch on the skin over it
  3. 4. The point of contact between elements of an animal skeleton with the parts that surround and support it
  4. 5. The fleshy back part of the leg below the knee
  5. 6. It´s protecting the upper end of each finger and toe of humans and primates
  6. 8. The back of the human foot below the ankle and behind the arch
  7. 11. It consists of 33 vertebras, thin and long in the middle of your back