Use the key to classify each of the following described tissue types into one of the four major tissue categories.Key:connective tissueepitheliummusclenervous tissue_________(1) Tissue type composed largely of nonliving extracellular matrix; important in protection and support_________(2) The tissue immediately responsible for body movement_________(3) The tissue that enables us to be aware of the external environment and to react to it_________(4) The tissue that lines body cavities and covers surfaces