In some all ages, the kind of future generations does not be current appearance , is human to reform own organ , includes cerebrum , makes it more meet nature. With nature melt to remit link up , it is inevitable option and the needs of human self development.
Several years after mankind is far from what it is today, mankind will transform his organs, including the brain, making it more natural to meet. And naturally converge, the need for human development and the inevitable choice.
答：应该是骨髓，当人体尤其是骨头受到伤害大量出血时，骨髓中的造血细胞会工作进行补血。详情>>
答：大学英语最高级8级 公共英语最高级5级详情>>
