Question

what is t cells of the body​

Answer 1

Explanation:

FUNDAMENTAL UNIT OF LIFE IS CALLED CELL.

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Answer 2

Answer:

T cell. T cell, also called T lymphocyte, type of leukocyte (white blood cell) that is an essential part of the immune system. T cells are one of two primary types of lymphocytes—B cells being the second type—that determine the specificity of immune response to antigens (foreign substances) in the body.