Across
- 1. 85% of the body is?
- 6. spongy substance found in the center of the
- 7. blood cell formation
- 8. found in the marrow of certain bones
- 10. what bones do to protect the bones
Down
- 2. the body's most complex bone structure
- 3. the way the body produces blood
- 4. when the body moves
- 5. muscle is connected to bone by
- 9. you can find it in the axial skeleton