Question

why epithelial tissue is called a protective or covering cell?​

Answer 1

Answer:

Epithelial cells have secretion, absorption, protection, transcellular transport, and sensing as their functions. There are no blood vessels in the epithelial layer, they receive nourishment through diffusion of substances through the basement membrane from the connective tissue underlying it.

Explanation:

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Answer 2

Epithelial tissue is specialized to protect, absorb, and secrete substances , as well as detect sensations. It covers every exposed body surface, forms a barrier to the outside world, and controls absorption . ...