Columnar epithelium cells are found in the intestine and are responsible for absorbing nutrients from digested food.

Stratified squamous epithelium cells are found in the lining of mouth and esophagus; they protect areas that undergo wear and tear. Spindle fibers are responsible for the division of chromosomes during nuclear division. Cuboidal epithelium cells are found in organs like a salivary gland, kidney tubules and are concerned with secretion and diffusion.