I am the gastrointestinal tract, and today I tell you many of my secrets: I am in the stomach of a person, but my area is very large, I am still the largest immune organ of the human body, do not underestimate me. I am responsible for the processing and absorption of food after intake, and I do the logistics of human beings. But some people always hurt me, with strong drinks, cigarettes, hot soup, and constant socializing every day, which made me scarred and cancer came to me. Listen to my advice, I need a reasonable meal, eat regularly, please.
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