大腸除了裝運糞便，另一個主要生理功能是向血液輸送水分，糞便呆腸裏的時間越長越幹結，大量水分補充有助潤腸軟便。

來源: 華灜於 2019-02-21 07:55:54 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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