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HOW MANY TISSUES ARE FOUND IN A HUMAN BODY?
Different types of tissues can be found in different organs.  In humans, there are four basic types of tissue:  epithelial, connective, muscular, and nervous tissue.  There may be various sub-tissues within each of the primary tissues.
 Different types of tissues have different structures that are specific to their function. Tissues can be held together by a sticky coating called an ‘extracellular matrix’ or the matrix may weave the cells of tissues together. The Latin word for tissue is derived from the verb texere, “to weave”.