Bone still cartilaginous. The following steps are followed in the conversion of cartilage to bone: Bones have a variety of functions: Bones serve a variety of mechanical functions. Together the bones in the body form the skeleton. They provide a frame to keep the body supported, and an attachment point for skeletal muscles, tendons, ligaments and joints, which function together to generate and transfer forces so that individual body parts or the whole body can be manipulated in three-dimensional space (the interaction between bone and muscle is studied in biomechanics). Bones protect internal organs, such as the skull protecting the brain
The Marrow of a Bone The Marrow of a Bone The Marrow of a Bone (stylized THE MARROW OF A BONE) is the sixth studio album by Japanese metal band Dir En Grey, released on February 7, 2007, in Japan, and in the United States (20 February), Germany (2 March), France (6 March), and the United Kingdom (7 May) in the following months. In total, the album was released in eleven countries. The band was touring North America at the time of the album's release in both Japan and the United States. In March 2007, "The Marrow of a Bone" reached number 21 on "Billboard's"