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 their neon-Eighties visions are far from retro pose-striking." Barry Nicolson of the "NME" praised the album's "great songwriting" and felt that "while not every track has the immediacy of 'Lies' or 'Recover', there's not a weak one among them." Heather Phares of AllMusic wrote, "Even on the darkest moments, such as 'Lies' or 'Science/Visions,' there's a disarming emotional directness to "The Bones of What You Believe" that makes it a unique, fully realized take on a style that seemed close to being played out." Ally Carnwath of "The Observer" commented that Chvrches are "more robust and melodic than arty peers