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ANIMAL TISSUE: Humans and other large multicellular organisms are made up of four basic types of tissues: epithelial tissue, connective tissue, muscular tissue and nervous tissue. 1. Epithelial tissue: Epithelial tissue covers the surface of the body, lines the space inside the body and forms glands. Types of epithelial tissue: There are different types of epithelial tissue depending upon their function in a particular location. The simplest classification of these tissues are based on the numbe