Across
- 4. the porous spongy substance inside the cortical bone is what
- 5. some bones ________ softer and more vulnerable parts of the body
- 6. 70% of bones are made up of what mineral
- 8. other bones ______ our muscles to help us move
- 9. attach bone to bone
- 11. blood travels through bodily tubes called
- 13. these make sure that blood is pumped in the right direction
- 14. all bones, tendons, ligaments, and cartilage
- 16. the heart, blood, and vessels that make up the body
Down
- 1. the four parts of blood are
- 2. main artery leading away from the heart
- 3. attach bone to muscles
- 7. the surface area of the bone that is hard and smooth
- 10. carry blood from the body to the heart
- 12. carry blood away from the heart
- 15. places where bones meet