Q6 Where are crypts of Liberkunh and Brunners located and what are theirrole in digestion?

Please refer the link below:
https://www.meritnation.com/ask-answer/question/what-is-crypts-of-lieburkhun/digestion-and-absorption/4004743

https://www.meritnation.com/ask-answer/question/what-is-brunners-gland-kindly-explain-in-detail/digestion-and-absorption/6777179

Crypts of lieberkuhn contains paneth cells that provide innate immunity, goblet cells that secretes mucus and digestive juices.