The cells of the body, especially those of the brain, can live only minutes without circulating blood.如果血液不循环，肌体细胞，尤其是脑细胞，只能存活几分钟。It was made of plaster, hard and white and lifeless, bearing no resemblance to human flesh.它由石膏制成，坚硬苍白，毫无生命，与人的肌体没有任何相似之处。