Skeletal system crossword

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Across
  1. 2. The [blank] system relates to the functioning of bones in your body.
  2. 3. Another word for 'straightening' (e.g. [If I am standing, my knee is in [blank])
  3. 5. support the body.
  4. 6. The joint of the thumb is a type of what joint?
  5. 10. The movement of you bringing your arms back from the side to midline.
  6. 13. The knee is a type of what joint?
  7. 14. The movement of you bringing your arms away to the side from midline.
  8. 16. Also known as the breastbone.
  9. 19. Another word for knee cap.
  10. 20. The movement you create when you are on your tippy toes.
Down
  1. 1. Also known as 'bending'.
  2. 2. An example of a ball and socket joint
  3. 4. The knee cap is this type of bone.
  4. 7. Complete the sentence. One of the functions of the skeletal system is to provide [blank]
  5. 8. The skeletal system stores this HINT* especially calcium
  6. 9. A type of bone that is as long as it is wide.
  7. 11. Another word for skull.
  8. 12. The biggest bone in the body. Also a long bone.
  9. 15. The pelvis and vertebrae are considered what type of bone.
  10. 17. Name of your finger bones.
  11. 18. If it is not part of the axial skeleton, then it belongs to the... [blank] skeleton.