1. Skeletal System

2. Framework of the Skeleton System is bones Without your frame you would collapse It determines the shape of your body

3. The number of bones Depends on your age Baby has about 275 bones Adult has 206 bones As a baby grows, some of the bones fuse together Ex: Skull http://www.madsci.org/cgi- bin/cgiwrap/~lynn/image?hand_wristhttp://www.madsci.org/cgi- bin/cgiwrap/~lynn/image?hand_wrist http://www.biologycorner.com/flash/xray. htmlhttp://www.biologycorner.com/flash/xray. html

4. 5 Main Functions 1.Provides shape and support 2.Enables you to move 3.Protects your internal organs 4.Produces blood cells 5.Stores certain material until your body needs them

5. Backbone called vertebrae Is the center of the skeleton. Locate the backbone All the bones of the body are connected to this column

6. Backbone If you move your fingers down your back you feel 26 small bones- Vertebrae Vertebrae- make up your backbone Helps you bend and move

7. Bones Protect many organs EX: Skull protects your brain Make blood cells Store minerals such as calcium and phosphorus These minerals make your bones hard and strong