Science

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Across
  1. 2. Breast bone
  2. 4. Powerhouse of the cell
  3. 7. Bone that connects upper arm to collar bone
  4. 10. Largest muscle of the upper body
  5. 12. Tendon or heel cord
  6. 13. Calf muscle
Down
  1. 1. Primary Organs of urinary system
  2. 3. knee cap
  3. 5. layer of skin
  4. 6. behind the stomach
  5. 8. Bones that make up the fingers of the hand
  6. 9. Funny bone
  7. 11. Receives food from Isophagus