Skeletal

The __**Skeletal System**__ is made up of bones. The main uses for the skeletal system would be:
 * **PROTECTS VITAL ORGANS**
 * Attachment places for muscles
 * Bone marrow is made in the bones
 * It is the framework for the body
 * Tiny blood vessel go into the bones
 * Bones help you walk and do all different kinds of actions
 * Produces blood cells
 * Stores certain materials until your body needs them

Joints- Joints are places where bones are able to move. The four common joints are ball and so Marrow- a soft connective tissue that replace the spaces in between bones. There are two kinds of marrow: Red and Yellow Cartilage- a conncective tissue that is more flexible than bone -To prevent osteroporosis have a regular diet rich in calcium and do regular exercise
 * __Osteroporosis__**-a condition in which the body's bones become weak and break easily from mineral loss
 * __Locomotion__**-Life function that enables an organism to escape predators, find food and mate, and move from place to place. Mostly involves the human skeletal and musclular systems. Coordinated by nervous system.