Concept explainers
To determine: The reason why epithelial tissue does not contain any blood vessel.
Concept introduction: Tissue organization is a level of organization formed by structurally and functionally similar group of cells and intercellular materials that are observed in multicellular organisms. Organization of specialized tissues varies and depends on the complexity of the organism, structure and function of the cells, and environment of the organism.
To determine: Whether any epithelial function could be compromised if blood vessels were running through the tissue.
Concept introduction: Epithelial tissues are a type of animal tissue, which are made up of one or more layers of densely-packed cells. These types of tissues cover the bodily surfaces that include the lining of the body and organ cavities, and glands.
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