Identify the cell that enables the human body | vedclass

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(A) The immune system of the human body has the unique ability to distinguish between 'self' (the body's own cells) and 'non-self' (foreign antigens o

Vedclass · Accepted Answer

$T_H$ cell

Vedclass · Answer

(A) The immune system of the human body has the unique ability to distinguish between 'self' (the body's own cells) and 'non-self' (foreign antigens or pathogens). This recognition is primarily mediated by $T$-helper cells ($T_H$ cells). $T_H$ cells recognize antigens presented by Major Histocompatibility Complex $(MHC)$ molecules on the surface of cells. If the antigen is recognized as 'non-self',the $T_H$ cells activate other immune cells like $B$-cells and $T_C$ cells to initiate an immune response. Therefore,$T_H$ cells are crucial for the discrimination between self and non-self.

Column-$I$	Column-$II$
$(A)$ Physical barriers	$(1)$ Interferon
$(B)$ Physiological barriers	$(2)$ Leukocytes
$(C)$ Cellular barriers	$(3)$ Tears
$(D)$ Cytokine barriers	$(4)$ Skin

Identify the cell that enables the human body to distinguish between self and non-self.

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Match the following columns:

Column-$I$ Column-$II$

$(A)$ Physical barriers $(1)$ Interferon

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