Question

why are the epithelial cells in skin arranged in the form of layers?

Answer 1

quamous epithelial cells are flat and are usually found lining surfaces that require a smooth flow of fluid such as your blood vessels, or lining areas that require a very thin surface for molecules to pass through, such as the air sacs in your lungs.
                                                                                                plz mark it best

Answer 2

squamous epithelial cells are flat and are usually found lining surfaces that require a smooth flow of fluid such as your blood vessels