MICROANATOMY

Detailed explanation-1: -Stem cells provide new cells for the body as it grows, and replace specialised cells that are damaged or lost. They have two unique properties that enable them to do this: They can divide over and over again to produce new cells.

Detailed explanation-2: -Cellular differentiation is the process in which a stem cell changes from one type to a differentiated one. Usually, the cell changes to a more specialized type.

Detailed explanation-3: -The cell types in a multicellular organism become different from one another because they synthesize and accumulate different sets of RNA and protein molecules.