Red blood cell blood circulation for about 100 to 120 days (and 80 to 90 days in a full term infant). At the end of their lifespan, they are removed from circulation. In many chronic diseases, the lifespan of the red blood cells is reduced. Erythropoiesis is the process by which new red blood cells are produced; it lasts about 7 days. Through this process red blood cells are continuously produced in the red bone marrow of large bones. (In the embryo, the liver is the main site of red blood cell production.) The production can be stimulated by the hormone erythropoietin (EPO),
The Bones of What You Believe such as Grimes and Purity Ring—choruses are foregrounded, synthy jabs pummel Lauren Mayberry's vocals, beats drop from satisfying heights—but Mayberry's lyrics also carry a subversive twist of angst and obsession." In a mixed review, Slant Magazine's Kevin Liedel remarked, "While the album has its fair share of sweet spots, the handful of capable melodies never quite balances out its bizarre impulses or the utter lack of thematic unity." Credits adapted from the liner notes of "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