Multiple choice Columnar epithelium lines the inner walls of _______. stomach, pharynx and intestines lungs, sweat glands and skin heart, blood and lymph vessels thyroid, salivary and sweat glands heart, lungs and skin Reveal answer Fill a bubble to check yourself A Correct answer Explanation Columar epithelium lines the inner walls of the stomach, intestine, pharynx and larynx. It is made of elongated, and column-like cells.