Brunner’s glands are located in
a)	Oesophagus	b)	Intestine	c)	Stomach	d)	Duodenum

(d)

Brunner’s glands are simple, branched tubular glands presents in the submucosal layer of duodenum. Brunner’s glands open in crypts of Leiberkuhn. The goblet cells of Brunner’s glands secrete mucus, which helps in lubricating the food and separate the solid particles of food.