I have an idea about creating a biologically-developed heart. how? we know that when the ovum and the ovum will be one differentiated into several stages that make the prospective embryo. before it becomes an embryo, the cell will be a candidate specialized heart cells, skin cells, bone cells and so on. then we take heart cells and then developed in a medium such as jelly made from protein foods are then developed and then implanted into the human body. for example we are using animal cells such as rat .. This could occur, while in this world of human rights is so great and we would be considered a major killer in this world? i need your opinion