Taw qhia rau B Choell thiab lawv qhov tseem ceeb ntawm lub vev xaib sib txawv ntawm tib neeg lub cev tiv thaiv kab mob, B Cell ua si lub luag haujlwm tseem ceeb. Raws li hom qe ntshav dawb, B Cell yog qhov tseem ceeb rau kev tiv thaiv kab mob reacue re