Multiple choice Kidney tubules are lined by squamous epithelium Cuboidal epithelium Columnar epithelium Simple squamous epithelium Ciliated epithelium Reveal answer Fill a bubble to check yourself B Correct answer Explanation Cuboidal epithelium is composed of cube shaped cells that provide mechanical support to the various organs such as kidney tubules, ducts of salivary glands, etc. The nuclei of these cells are usually located at the centre.