MICROANATOMY

Detailed explanation-1: -Neutrophils (also called polys, segs, or polymorphonuclear leukocytes) are the most common, making up about 50% to 60% of the total WBCs. Neutrophils are the first to respond to any tissue damage. Their job is to phagocytize bacteria, but they live only 4 days.

Detailed explanation-2: -Neutrophils are the granular leukocytes that phagocytize pathogens (bacteria).

Detailed explanation-3: -Answer and Explanation: The white blood cell that phagocytizes microorganisms and other substances is Neutrophil. Neutrophils are white blood cells known as granulocytes because they contain tiny cytoplasmic granules.

Detailed explanation-4: -Neutrophils comprise 50% to 70% of circulating leukocytes and represent the body’s initial line of defense. They are involved in the acute inflammatory response to bacterial infection and removal of the bacteria by phagocytosis. They are also the most numerous cells to arrive at the site of injury or infection.