Stem cells are the cells that develop into the specific cells that made up into the different kind of tissues in the human body. They have the ability to renew by themselves with the help of mitotic cell division and can differentiating into a different type of specialized cell. They are essential to the cell growth and development, cell maintenance, and repair of body tissues like brains, bones, muscles, nerves, blood, skin, and other organs. Stem cells are found in all human beings, from the early stage of development to the end of human life. The Stem cells are cells with have the potentiality to develop into much different kind of cells in the human body. They serve as a repair system for the human body