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What are macrophages?


pathogens found in mucus
red blood cells
germs produced by the spleen
white blood cells that engulf pathogens

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JenzAr
Macrophages are important cells of the immune system that are formed in response to an infection or accumulating damaged or dead cells.
Macrophages is a large phagocytic cell found in stationary form in the tissues or as a mobile white blood cell, especially at sites of infection.