Which is the first line of defense in the hum | vedclass

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(A) The human body possesses an innate immunity system that acts as the first line of defense to prevent the entry of pathogens.This system includes p

Vedclass · Accepted Answer

Skin and mucous membranes

Vedclass · Answer

(A) The human body possesses an innate immunity system that acts as the first line of defense to prevent the entry of pathogens.This system includes physical and physiological barriers.Skin and mucous membranes lining the respiratory,gastrointestinal,and urogenital tracts are the primary physical barriers that trap microorganisms and prevent their entry into the body.Therefore,skin and mucous membranes constitute the first line of defense.

Column-$I$	Column-$II$
$(a)$ Main lymphoid organ	$(1)$ Thymus
$(b)$ $MALT$	$(2)$ Spleen
$(c)$ Lobe-like organ arranged near heart	$(3)$ Bone marrow
$(d)$ Large bean-shaped organ	$(4)$ It constitutes $50\%$ of lymphoid tissue

Which is the first line of defense in the human body?

Similar Questions

Which antibody is obtained by the fetus from the placenta to provide immunity?

Identify the correct group of primary lymphoid organs.

Match the columns:

Column-$I$ Column-$II$

$(a)$ Main lymphoid organ $(1)$ Thymus

$(b)$ $MALT$ $(2)$ Spleen

$(c)$ Lobe-like organ arranged near heart $(3)$ Bone marrow

$(d)$ Large bean-shaped organ $(4)$ It constitutes $50\%$ of lymphoid tissue

Antibodies are produced by............

Class of cytokines released by cells infected with viruses and certain $WBC$'s to protect from viral infection are . . . . . . .

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