After reading the paragraph below, answer the questions that follow.
The skin is the body's largest organ. It's made up of many different types of cells. Oils, produced by the sebaceous glands, prevent the skin from drying and splitting. The pigment melanin, produced by melanocytes in the epidermis, protects the skin from the harmful effects of ultraviolet radiation. Sweat, released through ducts to the skin surface, helps to cool the body. The types of cells that produce these compounds have different numbers of specific organelles, depending on their function.
The epidermis is made up of epithelial cells which are held tightly together side by side to prevent pathogens from entering the body and to prevent unnecessary water loss. What type of junction holds epithelial cells together to achieve this function?
◦ gap junction
◦ anchoring junction
◦ communicating junction
◦ tight junction
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