The major types of lymphocytes are B cells and T cells.
Explanation:
1. Lymphocytes are a type of white blood cell that plays a crucial role in the body's immune response.
2. Among lymphocytes, there are two main types: B cells and T cells.
3. B cells are responsible for producing antibodies that can recognize and neutralize pathogens like bacteria or viruses.
4. T cells, on the other hand, play a role in directly killing infected cells or coordinating the immune response.
5. These two types of lymphocytes work together to provide immunity and protect the body from infections and diseases.
