Body parts

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Across
  1. 3. There are 206 in adults, they provide the skeleton.
  2. 4. The air comes into them to help you breath.
  3. 5. Connect your hand to your forearm.
  4. 7. Joins the leg to the trunk of the body.
  5. 8. Are the joints that connect the bones in the lower legs to the feet.
Down
  1. 1. Exercising regularly keeps them strong and healty.
  2. 2. Is the visible joint between the upper and lower parts of the arm.
  3. 6. They are one of the largest and most complex joints in the body.