Question

what is epithelial tissue
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Answer 1

Answer:

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

Answer 2

Answer:

Epithelial tissue is composed of cells laid together in sheets with the cells tightly connected to one another.

Epithelial layers are avascular but inverted.

Epithelial cells have two surfaces that differ in both structure and function.

It plays an important role because it forms a barrier between the body and the external environment.