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THYMUS 1. The thymus is large and most active in which age group? 2. The thymus is located the thyroid gland. 3. T cells is the name for the that are produced by or that mature in the thymus. 4. a) Thymic hormones enable the T cells to participate in the recognition of foreign and to provide for certain diseases. b) This capability of the T cells may be called immunological 5. The T cells must "learn" the components of the body that belong-that are "self"-especially cells and proteins. a) The ability to distinguish cells that belong in the body from those that do not is called b) The ability not to react to the proteins produced by the body's cells is called IMMUNITY future cases of and to 1. Immunity includes the ability to destroy