Across
- 1. element that is a component of bone and teeth
- 3. rigid framework of bone that consists of tough protein fibers and mineral crystals
- 6. tough, fibrous membrane that covers and protects the outer surface of bone
- 8. light, porous inner layer of bone that contains bone marrow
- 11. type of tissue that forms the body’s structure; includes bone, cartilage, and blood
- 13. the functional unit of compact bone
- 14. soft connective tissue in spongy bone that produces blood cells
- 15. protein fibers in the extracellular matrix of bone and cartilage
Down
- 2. having the proper levels of minerals in the blood for normal functioning of the body
- 3. long, tube-like organ that forms part of the complex network of vessels that run through the body and transport blood to all the body’s cells
- 4. one of many cable-like bundles of axons that make up the peripheral nervous system
- 5. fluid connective tissue that circulates throughout the body through blood vessels
- 6. organic compound made up of amino acids
- 7. chemical element such as calcium or potassium that is needed in relatively small amounts for proper body functioning
- 9. basic unit of structure and function of living things
- 10. group of specialized cells of the same kind that perform the same function
- 12. dense outer layer of bone that is very hard and strong