Parts of the body

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Across
  1. 3. Where your arms starts
  2. 6. Thickest finger of our hand
  3. 7. We use this to think
  4. 8. part of your finger
Down
  1. 1. Muscle at the back of your leg
  2. 2. Boone to move your hand
  3. 3. Part where the food goes
  4. 4. Boone that protects the brain
  5. 5. Boone we use to bend our knee
  6. 8. Part of the body below our head