Artificial organ to become stronger and lighter, limiting the amount of extra energy necessary to operate the limb. Additional materials have allowed artificial limbs to look much more realistic. Prostheses can roughly be categorized as upper- and lower-extremity and can take many shapes and sizes. New advances in artificial limbs include additional levels of integration with the human body. Electrodes can be placed into nervous tissue, and the body can be trained to control the prosthesis. This technology has been used in both animals and humans. The prosthetic can be controlled by the brain using a direct implant or implant into various
Traditional Chinese medicines derived from the human body placenta in the ground for 7 to 8 years, and it dissolves into a fluid that is as clean as ice. In south China, people blend human placenta with "gāncǎo" 甘草 ""Glycyrrhiza uralensis"; Chinese licorice root", "shēngmá" 升麻 ""Cimicifuga simplex"; bugbane", and other drugs, which they store in a bottle, and bury in the ground for 3 to 5 years. Then they dig it up and use it medicinally. The 52.24 "rénpò" 人魄 "Human ghost (of a hanged person)" medicine refers to Chinese hun and po soul dualism between the "hun" 魂 "spiritual, ethereal, yang soul" that leaves the body