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高考分值:约15分考点指要一、免疫系统的组成二、免疫系统的功能1.非特异性免疫和特异性免疫比较注意:(1)吞噬细胞既可以在非特异免疫中发挥作用——直接吞噬消灭各种病原微生物,又可在特异性免疫中发挥作用——吞噬处理抗原,吞噬抗原—抗体的结合物。(2)溶菌酶杀菌一定是非特异性免疫,若在唾液中,杀菌则为第一道防线,若在血浆中,杀菌则为第二道防线。(3)消化道、呼吸道及皮肤表面等都是外界环境,在这些场所
College entrance examination score: about 15 points of the test center refers to a, the composition of the immune system Second, the function of the immune system 1. Non-specific immunity and specific immunity comparison Note: (1) phagocytic cells can play a role in non-specific immune - Direct phagocytosis eliminates all kinds of pathogenic microorganisms, and can also play a role in specific immunity - phagocytic processing of antigens, phagocytic antigen - antibody conjugates. (2) The bacteriolysis of lysozyme must be non-specific immunity. If it is in saliva, sterilization is the first line of defense. If it is in plasma, sterilization is the second line of defense. (3) The digestive tract, respiratory tract, and the surface of the skin are all external environments.