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Sagot :
Microbes enter the human body most frequently through the respiratory and gastrointestinal mucosa.
Pathogens maximum generally enter the body across the epithelial barriers of the mucosa lining the breathing, digestive, and urogenital tracts, or via damaged pores and skin, and may then set up infections inside the tissues. much less often, bugs, wounds, or hypodermic needles introduce microorganisms at once into the blood.
The mucosa is the innermost layer of the gastrointestinal tract. It surrounds the hollow space of the tract and springs into direct touch with digested meals. The mucosa is made from 3 layers: The epithelium is the innermost layer. It's far in which most digestive, absorptive and secretory tactics occur.
Mucins—large, highly glycosylated proteins—are vital for the luminal safety of the gastrointestinal tract. Enterocytes have their apical floor blanketed through transmembrane mucins and goblet cells produce the secreted gel-forming mucins that form mucus. The small gut has a single unattached mucus layer.
Learn more about proteins here brainly.com/question/10058019
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