Which substance is produced in a host in resp | vedclass

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(C) When a pathogen or a foreign substance (antigen) enters the host body,the immune system recognizes it as non-self.In response to this,the $B$-lymp

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Antibody

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(C) When a pathogen or a foreign substance (antigen) enters the host body,the immune system recognizes it as non-self.In response to this,the $B$-lymphocytes are activated and differentiate into plasma cells.These plasma cells produce specialized proteins called antibodies (immunoglobulins) to neutralize or eliminate the foreign agent.Therefore,the substance produced by the host in response to an infection or foreign body is an antibody.

List-$I$ (Barrier)	List-$II$ (Example)
$A$. Physical barrier	$i$. Skin
$B$. Physiological barrier	$ii$. Interferons
$C$. Cellular barrier	$iii$. Mucus coating
$D$. Cytokine barrier	$iv$. Saliva in mouth

Which substance is produced in a host in response to an infection or a foreign body?

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