Answer:
Humoral immunity includes the B-cells.
Explanation:
There are two types of adaptive immunity responses. 1) cell mediated which possess of T cells
2) humoral immunity which possess of B-cells.
Humoral immunity is directed primarily against 1) toxin mediated diseases 2) certain viruses 3) infections in which virulence is related to polysaccharide capsules and to opsonize bacteria.
Role of B-cells in humoral immunity is
1) They differentiate into plasma cells and produce anitbodies
2) They are anitgen producing cells
B-cells are produced in fetal liver and in adukt life in bone marrow.
Later they are matured and undergoes through the process of clonal deletion as well.
A. young - old, middle-old, and old-old
Answer:
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