Peb tau zoo siab tau koom nrog hauv xyoo no cov neeg hauv xyoo no - Philadelphia (CBA - GP) Kev sib tham txhua xyoo, ib xyoos ib zaug uas tau coj los ua ib lub zej zog zoo ntawm Sch
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