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Function: As tissue, protecting the tissues that lay beneath it from harmful oppositions like radiation, toxins, and physical trauma. Epithelial Cells. The “messenger” and regulator of .. essential chemical exchange between underlying tissue and a body cavity.
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Function: • As tissue, protecting the tissues that lay beneath it from harmful oppositions like radiation, toxins, and physical trauma Epithelial Cells • The “messenger” and regulator of • ..essential chemical exchange between underlying tissue and a body cavity. • To secrete hormones into the blood vascular system, and/or the secretion of sweat, ..mucus, enzymes, etc, all from glands within the cells • To provide sensation (i.e. allow us to feel things through our nerves) Important Organelles: mitochondrion, endoplasmic reticulum, Golgi apparatus