Skeletal system

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Across
  1. 4. How many important bones are in skeletal system?
  2. 5. Are arms flexible?
  3. 6. What protects brain?
  4. 7. How long is collar bone in cm?
Down
  1. 1. What does have 24 ribs?
  2. 2. How do you also call a spine?
  3. 3. Is Jared an adult skeleton?