Answer :
when a bacterium infects the human body, it can be recognized by specialized immune cells and internalized in a vesicle. this type of transport is known as phagocytosis
A specific class of immune cell that may encircle and eliminate pathogens, consume foreign objects, and eliminate dead cells. Additionally, it can improve immunological responses. Phagocytes include neutrophils, macrophages, and monocytes. One kind of white blood cell is called a phagocyte. Phagocytosis is the process by which specific live cells known as phagocytes consume or absorb additional cells or particles. One of the body's cells, such as a white blood cell, or a free-living one-celled creature like an amoeba may make up the phagocyte. During phagocytosis, immune cells like neutrophils and macrophages first identify the target's antibodies on the surface of the immune cell, which prompts membrane protrusions called pseudopodia to encircle the target in a zipper-like manner.
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