Human body parts

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Across
  1. 2. it is filled with food
  2. 5. Connects forearm and arm
  3. 7. It lets you hear music
  4. 8. they need exercise to grow
Down
  1. 1. they help you bending
  2. 3. it contains your brain
  3. 4. they bring your blood through your body
  4. 6. you can rotate your hand thanks to it