Bones crossword

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Across
  1. 5. kneecap
  2. 7. shorter of the two forearm bones, always on the thumb side
  3. 10. heel bone
  4. 11. upper leg bone, in the thigh
  5. 13. One of two lower leg bones, to the outside of the calf, thinner
  6. 14. One of two lower leg bones, front and center of shin, thicker
  7. 16. Wrist bones, 8 round(-ish) bones
  8. 17. Upper arm bone, between shoulder and elbow
  9. 19. Long bones of the hand, that lead to the fingers
  10. 21. collar bone
Down
  1. 1. Finger and toe bones
  2. 2. The bone down the middle of the chest, ribs attach to it
  3. 3. A set of round(-ish) ankle bones
  4. 4. lower jaw bone
  5. 6. longer of the two forearm bones, always on the pinky side
  6. 8. Hip bone
  7. 9. Long bones of the foot that connect to the toe bones
  8. 12. Skull bone
  9. 15. 24 bones down the back to protect the spinal cord
  10. 18. Shoulder blade
  11. 20. 12 pairs of thin bones that surround the chest cavity