1. The Skeleton How the Skeletal system Works ©

2. How Bones Help You. Part 1. Bones act as a storage area for minerals such as calcium. When an excess is present in the blood, buildup will occur within the bones. When the supply of these minerals within the blood is low, it will be withdrawn from the bones to re-new the supply. ©

3. Facts About Bones Its 206 bones form a framework to which the softer tissues and organs of the body are joined. ©

4. Bones Your thigh bone is stronger than rock. Humans are born with 300 bones in their body, however when a person becomes a adult they only have 206 bones. This occurs because many of them join together to make a single bone. Although the outsides of a bone are hard, they are generally not very heavy and soft inside. They are about 75% water. ©

5. JOINTS Joints: Bones are connected to other bones at joints. There are many different types of joints, including: fixed joints , hinged joints , and ball-and-socket joints (such as the shoulders and hips). ©

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