Lumen of stomach and intestine has _______?

پیٹ اور آنتوں کے لیمین میں _______ ہے؟

Cuboidal epithelium

Squamous epithelium

Columnar epithelium

None of these

Columnar epithelium lines the lumen of the stomach and intestines, aiding in absorption and secretion.

It consists of tall, closely packed cells with microvilli to increase surface area.