Which group of cells acts as phagocytes?

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Question

(B) Phagocytosis is a process by which cells engulf and destroy pathogens or cellular debris. In the human immune system,the primary phagocytic cells

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Monocytes,Macrophages,Natural Killer cells,$PMNL$

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(B) Phagocytosis is a process by which cells engulf and destroy pathogens or cellular debris. In the human immune system,the primary phagocytic cells are Monocytes,Macrophages,and Polymorphonuclear Leukocytes ($PMNL$ or Neutrophils). Natural Killer $(NK)$ cells are cytotoxic lymphocytes that destroy infected or cancerous cells but are not primarily phagocytic. Lymphocytes ($B$ and $T$ cells) are involved in specific immune responses and are not phagocytic. Therefore,the group consisting of Monocytes,Macrophages,and $PMNL$ represents the phagocytic cells.

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

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