Neutrophils are white blood cells, which hunt and kill bacteria In this video neutrophil can be seen in the mist of red blood cells.Bacteria releases chemo-attractine that is sensed by the neutraphils, the neutrophil becomes polarized and starts chasing the bacteria.The bacteria bounce around by thermal energy move in a random path, avoiding neutrophils. Eventually the neutrophill catches the bacteria and engulfs them by phagocytosis
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