Question

what is the epithelial tissue? and also write their functions.​

Answer 1

Answer:

Epithelial tissues are widespread throughout the body. They form thecovering of all body surfaces,5 line body cavities and hollow organs, and are themajor tissue in glands. They perform a variety of functions that include protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception.

FUNCTION

Functions of epithelial cells include secretion, selective absorption, protection, 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.

Answer 2

Hey friend,

Here is the answer :-

Epithelial tissue forms a continuous layer over the free surface of the animal body and the internal surfaces of visceral organs.

The main functions of the epithelial tissue are :-

Protection of the underlying tissues.

Sometimes it also helps in secretion.

In reception of sensory stimuli.

I hope this will help you....