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Tissues — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceTissues3 Marks
Question
Mention various functions of epithelial tissues.
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Answer

Functions of epithelial cells include: secretion, selective absorption, protection, trans-cellular transport, and sensing; epithelial layers contain no blood vessels, so they must receive nourishment via diffusion of substances from the underlying connective tissue, through the basement membrane.

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