MBL77 NO FURTHER A MYSTERY

B cells absolutely are a sort of white blood cell that provides antibodies. Antibodies are proteins that tell other immune cells to destroy potentially damaging foreign substances like viruses or bacteria.وَمَآ اَسْـَٔلُكُمْ عَلَيْهِ مِنْ اَجْرٍ اِنْ اَجْرِيَ اِلَّا عَلٰى رَبِّ ال�