1. Vocabulary Slide Bones ExoskeletonRed marrow Yellow marrow Marrow OsteoporosisSprain Fracture“Skeleton” Spongy boneCompact bone

2. Jobs of the Skeleton 1. Provides Shape and support 2. Enables you to move by having an area for muscles to attach to 3. Protects your internal organs 4. Produces (makes) blood cells 5. Stores certain materials until your body needs them

3. Exoskeleton Skeleton outside the body

4. “Skeleton” Greek for “Dried body”

5. Marrow Soft connective tissue in the middle of the bone

6. Red Marrow Creates blood cells

7. Yellow Marrow Stores fat for energy use.

8. Spongy Bone Many small spaces in a bone

9. Compact Bone A hard protective cover for the bone

10. Osteoporosis The bones are weak and break easily due to lack of calcium

11. Sprain Ligaments stretch too far and tear

12. Fracture Break in a bone