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                                    uhat aueepithaian a ue? classfy h | 
                            
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Answer»  Epithelial tissuesare widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the majortissuein glands. They perform a variety of functions that include protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception.  | 
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