Which cells are divided into two groups: T cells and B cells?
(A) macrophages
(B) lymphocytes
(C) platelets
(D) complement cells
Ans: (B) lymphocytes
It is the lymphocytes that are comprised of T- and B-cells. Macrophages (A) are phagocytic cells that alert helper T-cells.
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__________________ Indicate whether the statement is true or false.
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