chap 8

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Across
  1. 4. pulling with their arms, sliding their belly
  2. 5. relative size of body parts
  3. 7. helps skeletal frame become sturdy
  4. 9. typical time when a developmental milestone occurs
  5. 10. use/control of muscles that direct body movements
  6. 12. to move by using the hands and knees or hands and feet
  7. 13. intentional act of grasping an object
Down
  1. 1. using large muscles
  2. 2. nonpermanent teeth
  3. 3. rates of growth slow over time
  4. 6. using smaller muscles
  5. 8. made of bones and teeth
  6. 11. walking by holding something for support