Vocabulary Slide Bones ExoskeletonRed marrow Yellow marrow Marrow OsteoporosisSprain Fracture“Skeleton” Spongy boneCompact bone
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
Exoskeleton Skeleton outside the body
“Skeleton” Greek for “Dried body”
Marrow Soft connective tissue in the middle of the bone
Red Marrow Creates blood cells
Yellow Marrow Stores fat for energy use.
Spongy Bone Many small spaces in a bone
Compact Bone A hard protective cover for the bone
Osteoporosis The bones are weak and break easily due to lack of calcium
Sprain Ligaments stretch too far and tear
Fracture Break in a bone