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2) Is epithelium Vascularised? How do nutrients and oxygen reach epithelium? Also add a noteon the functions of epithelial tissues in human body? |
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Answer» Epithelium is not vascularized (capillaries do not directly reach its cells). It exchanges substances by diffusion with the connective tissue located under it. Since epithelium is not vascularized, the tiny skin injuries or scratches that happen all the time do not cause bleeding and do not expose the blood to contamination from foreign agents. This is an important protective strategy of evolution. Like if you find it useful |
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