Now let's move on to our B lymphocytes. So recall that B lymphocytes are those immune cells of their humoral immunity, the antibody mediated immunity. So B lymphocytes can also engulf and take in these antigens that come from different types of pathogens found inside our tissues. So beelymphocytes are part of the humoral immunity. When they approach foreign antigens floating around in our tissue, they bind to them via special receptors and then they undergo receptive mediated endocytosis and that takes in that antigen into the cell. And once that happens, these B lymphocytes build the MHC class Two complex and they place that antigen onto that complex.