Artificial skin skin-like tissue grown in a laboratory, although this technology is still quite a way away from being viable for use in the medical field. 'Artificial skin' can also refer to flexible semiconductor materials that can sense touch for those with prosthetic limbs, (also experimental). The skin is the largest organ in the human body. Skin is made up of three layers, the epidermis, dermis and the fat layer, also called the hypodermis. The epidermis is the outer layer of skin that keeps vital fluids in and harmful bacteria out of the body. The dermis is the inner layer of skin
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