Not as simple as it seems, human skin anatomy consists of several layers with their respective functions. In order to continue functioning optimally, the skin needs nutritional intake. Anything? Come see in the following review! The skin is one of the largest organs in the human body which covers almost the entire surface of the body. The skin has various functions, one of which is to protect muscles, bones and internal organs. In addition, the skin also functions to protect the body from germs, viruses, to exposure to chemicals, maintain fluid and electrolyte balance, help the synthesis of vitamin D, and maintain a stable body temperature. Leather layers Although it is rarely realized, the skin is a dynamic organ that continues to experience changes during one's life. The existing layer on the inside will replace the outer layer which decays unnoticed. The thickness of each person's skin is different, depending on gender, age, and also other factors such as certain medic