Peyer's patches are clusters of lymphoid tissue found primarily in the large intenstine.
Organized tissues called lymphoid tissues aid immune responses. Primary lymphoid tissues and the locations of lymphocyte formation are the bone marrow and the thymus. Secondary lymphoid tissue includes the lymph nodes, spleen, tonsils, and Peyer's patches, for example.
Learn more about Lymphoid tissue here:
https://brainly.com/question/13025474
#SPJ4