skeleton
Bones are the hard organs that make up the bones of the vertebrate, the function is to exercise, support and protect the body, making red blood cells and white blood cells, and storing minerals. Bone tissue is a dense connective tissue. The bones are made up of a variety of shapes, with complex inner and outer structures that allow the bones to remain hard while reducing weight. One of the components of the bones is mineralized skeletal tissue, which is a hard honeycomb-like structure inside; other tissues also include bone marrow, periosteum, nerves, blood vessels and cartilage. ...