What is Immune system? Types of Immune system? Organs of the immune system | Primary lymphoid organs | Secondary lymphoid organs |

immune system

Immune system   Cells of immune system:- One of the major ways through which the immune system operates by producing different kinds of cells. All the cells of immune system develop from the same group of stem cells of bone marrow. Stem cells: – The stem cells are the precursor cells of lymphocytes. The hematopoietic … Read more