Which of these is true of white blood cells? There may be more than one correct answer. WBCs become shaped like ameobae after they leave the circulatory system. WBCs have no function in defense against microorganisms All WBCs have large numbers of secretory granules. WBCs function in tissue repair.

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A: Introduction :-

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Immunology

Immunology is the division of science involved with the immune reactions occurring in living organisms. The organisms are accustomed to evolving internal defense mechanisms to evade the invasion of microbial pathogens. Diverse cells are connected with stimulating the immune responses, which produce inhospitable conditions to the microbes prompting their lysis and thus inhibits the multiplication of the pathogens. The immune system can distinguish the pathogens through the aid of cellular intercommunication and launch responses to destroy them.