Where are Peyer's patches found?

A) duodenum of the small intestine

B) ileum of the small intestine

C) large intestine

D) jejunum of the small intestine

Option (B).

Explanation:

Peyer's patches are the small masses of aggregated small lymphatic tissues and provide immunity to an organism. Peyer patches are discovered by the scientiest Johannan Cornard Peyer.

Peyer's patches are located in the ileum region of small intestine. These patches control the growth of harmful bacteria and regulates the growth of intestine bacteria. T

Thus, the correct answer is option (B).