Question
B-cells and T-cells.

Answer

B-cellsT-cells.
1. B-cells are type of lymphocyte whose origin is in bone marrow but maturation is in blood.1. T-cells are type of lymphocytes which originate in bone marrow but maturation occurs in thymus.
2. B-cells Eire type of lymphocytes which are involved in humoral mediated immunity.2. T-cells are type of lymphocytes which are involved in cell-mediated immunity.
3. 20% of lymphocytes present in the blood are B-cells.3. 80% of lymphocytes present in the blood are T-cells.
4. Two types of B-cells are Memory cells and Plasma cells.4. T-cells are of following subtypes : Cytotoxic T-cells, helper T-cells, suppressor T-cells.
5. They are involved in antibody mediated immunity. (AMI)5. They are involved in cell-mediated immunity (CMI).
6. B-cells produced antibodies with which they fight against pathogens.6. T-cells do not produce antibodies.
7. B-cells have membrane bound immunoglobulins located on the surface.7. There is a presence of T cell receptors on the T-cell surface.

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