Blood bone marrow in a process called hematopoiesis, which includes erythropoiesis, the production of red blood cells; and myelopoiesis, the production of white blood cells and platelets. During childhood, almost every human bone produces red blood cells; as adults, red blood cell production is limited to the larger bones: the bodies of the vertebrae, the breastbone (sternum), the ribcage, the pelvic bones, and the bones of the upper arms and legs. In addition, during childhood, the thymus gland, found in the mediastinum, is an important source of T lymphocytes. The proteinaceous component of blood (including clotting proteins) is produced predominantly by
The Bones of What You Believe The Bones of What You Believe The Bones of What You Believe is the debut studio album by Scottish synth-pop band Chvrches, released on 20 September 2013 by Virgin Records and Goodbye Records. Recorded between 2011 and 2013 in Glasgow, the album was written, composed, and produced by the band as a collaborative effort. It was made available as both a 12-track standard edition and an 18-track special version, the latter including two extra songs, two remixes and two live videos. The album was debuted with a launch party broadcast live on music streaming platform Boiler Room. The album's title