What is epithelial tissue and it\'s function and types

1.	What is epithelial tissue and it\'s function and types
Answer» Epithelial tissues are the outer covering or protective tissues that covers most organs and cavities in the body.Cells are tightly packed without intercellular spaces .It is separated from the underlying tissues by the basement membrane.Types areSquamous epithelial tissuesCuboidal epithelial tissuesColumnar epithelial tissuesCiliated columnar epithelial tissuesGlandular epithelial tissuesFunctions of epithelial tissues areProtection from injury and infection, helps in absorption and elimination of harmful substances, it helps in exchange of material between body and environment

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