Across
- 3. the skeletal system has ___ blood cells
- 6. this is how many types of skeletons there are
- 9. hold bones of joints together
- 11. the top layer of skin
- 12. our skin helps us with this sense
- 13. this protects the bones from rubbing on each other
Down
- 1. the largest organ in the body
- 2. this gives skin its color
- 4. the layer of skin with hair follicles and blood vessels
- 5. the point where two bones connect
- 7. the main mineral stored in bones
- 8. these attach the muscles to the bones
- 10. one function of the skin is ___ control