In this task, you will be given sentences in which your task is to recognize the name of the organ of the body. An organ is a collection of tissues that structurally form a functional unit specialized to perform a particular function. Although there might be several correct answers, you need to write one of them.

 This case of benign mucous membrane pemphigoid ( BMMP ) is unusual in that blistering , scarring lesions were confined to the skin for 15 years before mucous membranes were involved .
skin