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1 Lymphocytes, neutrophils, and monocytes. 2  These white blood cells fight against invading bacteria, viruses, or fungi to help destroy infection. 3  Each of these cells differs in appearance. 4  Eosinophils and basophils.5  These white blood cells respond to allergens that can invade our bodies. Lymphocytes, neutrophils, and monocytes. 2  These white blood cells fight against invading bacteria, viruses, or fungi to help destroy infection. 3  Each of these cells differs in appearance. 4  Eosinophils and basophils.
The Process of Phagocytosis. Let's use the example of a white blood cell engulfing an invading bacterium to illustrate the process of phagocytosis. A cell that engages in phagocytosis is called a phagocyte. First, the white blood cell has to recognize the invader and realize that it needs to be destroyed.It recognizes signal molecules released by the bacterium and is drawn toward it.hen Pac-Man opens his mouth and consumes one of the dots, it's a little bit like phagocytosis. Phagocytosis is a type of endocytosis. Endocytosis is a process through which a cell absorbs a particle, molecule, bacterium, or other type of matter by engulfing it.