Question

What are T cells and B cells?

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A. Lymphocytes
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B. Pathogens
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C. Antibodies
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D. Antigens

Answer 1

Lymphocytes.

Step-by-step explanation:

• Lymphocytes are type of White blood Cells.
• These are classified as T- lymphocyte, B-lymphocyte and Natural killer cells.
• Bone marrow is the site of production and maturation of B-lymphocyte.They are the only cells that can produce antibody.These also differentiate to form memory cells and result in adaptive immune response.
• The site of T-lymphocyte production is bone marrow and the site of their maturation is the thymus. T-cells do not produce antibodies but destroy Antigen presenting cells, cancerous cells virus infected cells etc.