Skeletal System

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Across
  1. 5. what is the joint called that’s between the bones of the skull?
  2. 7. what is the upper bone of the leg or hind leg called?
  3. 8. what is 33 individual, interlocking bones that form the spinal column called?
Down
  1. 1. what is the large triangular-shaped bone that lies in the upper back called?
  2. 2. what’s a firm, flexible connective tissue called?
  3. 3. what are bones that are made up of a layer of spongy bone between two thin layers of compact bone called?
  4. 4. what surrounds the chest, enabling the lungs to expand and facilitate breathing by expanding the chest cavity?
  5. 6. what is the bone that's located in the middle of your chest called?