车辆在出车祸或抛锚之后如果需要维修的话,订制零件是一件很容易的事情。但是如果人体零件出了毛病的话,可就不大好办了。你只有一颗心脏、一个肝脏和一个胃,而其他器官也就只有一对而已。如果某个器官因为疾病或者外伤受损,以至于无法复原的话,就可能会影响你的寿命。然而,未来的科学家们可能会有办法让身体器官再生。对干细胞和 Customizing parts is an easy task if the vehicle needs repair after a car accident or breakdown. However, if the human body parts out of order, it may not be easy to handle. You have only one heart, one liver, one stomach, and only a few other organs. If an organ is damaged by illness or trauma, it can affect your life if you can not recover it. However, future scientists may have ways to regenerate body organs. On stem cells and