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medicalschool: The epithelium of the small intestine is the fastest self-renewing tissue in mammals. At the bottom of each villus is a narrow tubular structure, called the crypt (orange), where multi-potent stem cells reside. These cells divide daily,
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the-dark-basement: Cigarettes are a great way to desensitize and lubricate a cunt’s throat. Saliva and mucus production increases, and the smoke paralyzes the cilia of the respiratory epithelium, keeping her whore throat nice and wet.
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