ahlam1399
08-28-2019, 11:04 PM
The B-Cell is part of the lymph system as a type of lymphocyte responsible for fighting infections and produce memory cells along with T-Cells to remember the type of microorganism that has invaded the system. This memorization is essential for faster immune system response the next time the same type of microorganism enters the body.
أكثر... (http://EzineArticles.com/4502085)
أكثر... (http://EzineArticles.com/4502085)