It is found in the knee and forms the discs between the vertebrae. Bones are alive, they are organs. Bones provide a framework that supports the body. They also provide protection for the internal organs. For example, the fused bones of the cranium protect the brain from injury.
Bones also allow for movement, because they provide a place for the attachment of skeletal muscles.
Bones store the minerals and then release them into the bloodstream as ions. The most important of these are calcium and phosphate. There are 206 named bones in the human skeleton. These are grouped into the axial and appendicular skeletons. The axial skeleton includes the bones of the skull, vertebral column, ribs and sternum.