Building Vocabulary Match each term with its definition by writing the letter of the correct definition in the right column on the line beside the term in the left column. 5. - skeleton 6. - vertebrae 7. - joint 8. - ligaments compact bone a. a thick layer of hard, dense material that contains minerals b. a place where two bones come together c. a condition in which bones become weak and break easily d. the 26 bones that make up the backbone e. soft connective tissue that produces blood cells or stores fat f. the framework of all of the bones in the body g. strong connective tissue that holds movable joints together h. a strong connective tissue that is more flexible than bone i. a layer of bone with small spaces within it spongy bone 11. - marrow 12. — cartilage 13. — osteoporosis