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Specific immunity (Made by (Jullanar AL-Khunein, Fatimah Al-Salam, Lama…

- - - - step 2:
        
        The macrophage presents the antigen to the helper T cell
        
        step 3:
        
        step 4:
        
        The B cells continue to divide and produce antibodies. some B cells stay as memory cells in case the body encounters this pathogen again.
        
        The helper T cell presents a processed antigen to B cells.