Answer:
The correct answer is option B cells.
Explanation:
The humoral immune response is regulated by the extracellular fluids like antimicrobial peptides and proteins antibodies released by the white blood cells. B cells receive signals from the BCRs bind to antigen.
B cells are the cells that regulate humoral immunity response by producing antibodies and releases other components in the cells.
Thus, the correct answer is option - b cells.
