You are given a sentence in Japanese. Your job is to translate the Japanese sentence into Portugese.

下層に属する腸という脳は消化や防衛といった独自の目的を持っており上層の脳は行動の統合や発生といった目的を持っています

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
A camada inferior, o nosso cérebro no intestino, tem os seus próprios objectivos — defesa da digestão — e temos o cérebro superior com o objectivo de integração e de geração de comportamentos.