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What are epithelial tissues?


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Solution

Tissue:

  1. A group of identical cells, combined with an intercellular substance, fulfill a specialized role in multicellular creatures.
  2. Animal tissues are divided into four groups: epithelial tissue, connective tissue, muscle tissue, and neural tissue.

Epithelial tissue:

  1. This tissue serves as a covering or lining for a body part.
  2. It has a free surface that is exposed to either a body fluid or the outside environment.
  3. Epithelial tissues are divided into two types: simple epithelium (single layer of cells) and compound epithelium (two or more layers of cells).
  4. Example - Skin, the lining of body cavities, ducts, and tubes.

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