Multiple choice Which of the following is waterproof and highly resistant to mechanical injuries? Cuboidal epithelium Columnar epithelium Stratified squamous epithelium Ciliated epithelium Glandular epithelium Reveal answer Fill a bubble to check yourself C Correct answer Explanation This is the correct option. Stratified squamous epithelium is waterproof and highly resistant to mechanical injuries. This is found in the skin and covers the external dry surface of the skin.