Question

what is cuticle ?
cuticle present in inner side of foregut in cockroach​

Answer 1

Answer:

A cuticle, or cuticula, is any of a variety of tough but flexible, non-mineral outer coverings of an organism, or parts of an organism, that provide protection. Various types of "cuticle" are non-homologous, differing in their origin, structure, function, and chemical composition.