Skeletal system

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Across
  1. 5. what are the bones on the vertical axis called?
  2. 7. what stabilizes the other bones in the shoulder?
  3. 8. what allows there to be less friction in the movement of the knee bones?
Down
  1. 1. what are the short and irregular attachment bones called?
  2. 2. what is between the shoulder blade and the sternum?
  3. 3. what is the long bone of the upper arm?
  4. 4. what’s another name for the kneecap?
  5. 6. it protects the heart, lungs, and blood vessels.