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 fusion of emotive theatrics, hook-loaded songwriting, and some of the more forward-thinking sonics in electronic music right now", and found that "the hooks on "The Bones of What You Believe" are indelible regardless of instrumentation, and the sound is immaculate." At "Spin", Puja Patel opined that the album is "at its best on its revenge tunes", concluding, "In a mainstream landscape that's still reveling in the EDM-fueled fuck-yous of Icona Pop and Charli XCX's 'I Love It,' CHVRCHES' poppy electronic textures and bleakly lyrical brashness raises the bar." "Rolling Stone"s Jon Dolan expressed, "Even when Chvrches are just competently mopey,