How The Immune System ACTUALLY Works – IMMUNE
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人类免疫系统是复杂的生物系统,负责保护身体免受微生物和癌细胞的侵害。免疫系统由数百个小细胞和两个大器官组成,具有自己的运输网络。当身体受到侵害时,免疫系统的第一道防线迅速反应,巨噬细胞和中性粒细胞等细胞开始攻击入侵的细菌。随着免疫反应的升级,辅助T细胞和B细胞被激活,产生抗体以消灭病原体。最终,免疫系统会留下记忆细胞,以防止未来的感染。这一过程展示了免疫系统的强大和复杂性。
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