Stem cells are the basic building blocks of the human body that have the ability to develop into different Human Embryonic Stem Cellstypes in the body. Based on their potency, stem cells are mainly classified into three types - totipotent stem cells, pluripotent stem cells and multipotent stem cells https://sanjanacmi.livepositively.com/human-embryonic-stem-cells-an-overview-of-techniques-to-study-stem-cell-behavior/new=1