MBL77 Secrets
B cells are a variety of white blood cell that provides antibodies. Antibodies are proteins that tell other immune cells to wipe out potentially destructive international substances like viruses or microbes.وَمَآ اَسْـَٔلُكُمْ عَلَيْهِ مِنْ اَجْرٍ اِنْ اَجْرِيَ اِلَّا عَلٰى رَبِّ ا