What is the function of mucosa-associated lymphoid tissue (MALT)?

Step-by-step solution

The primary lymphoid organs in the human body are the bone marrow and thymus, where immature lymphocytes differentiate into antigen-sensitive lymphocytes. There is lymphoid tissue also located within the lining of the major tracts (respiratory, digestive and urogenital tracts) called mucosa-associated lymphoid tissue (MALT). It constitutes about 50% of the lymphoid tissue in the human body.The thymus is quite large at the time of birth but keeps reducing in size with age. By the time puberty is attained, it reduces