Lymphocytes

_____ 70-80% of lymphocytes.

a. Produced in red marrow, mature in the ____.
b. Interact directly with infected or foreign ___ & destroy them

____– 20-30% of lymphocytes. 

a. Produced & mature in the ______.
b. Produce antibodies that destroy _____ found ______ of cells.

Both T & B cells are found in the ___ and in ____ (lymph nodes & spleen)