Question

write four function of epithelial tissues ​

Answer 1

Functions of epithelial tissues include secretion , selective absorption , prtoection , transcellular 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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Answer 2

1. They protect underlying tissues from mechanical injury, entry of germs and dying up.

2.It forms a barrier to keep different body systems seprate.

3.They regulate the exchange of materials between the body and the external environment and also between different parts of the body.

4.It prevents the entry of harmful chemicals.