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　　人??(ren)體?(ti)由??(you)兩??(liang)支??(zhi)精??(jing)銳??(rui)部?(bu)隊(duì)??(dui)——先?(xian)天??(tian)性?(xing)免??(mian)疫?(yi)和??(he)適??(shi)應(yīng)??(ying)性??(xing)免??(mian)疫??(yi)組??(zu)成?(cheng)??。??它??(ta)們??(men)分??(fen)工??(gong)明?(ming)確??(que)、協(xié)??(xie)同??(tong)作??(zuo)戰(zhàn)??(zhan)??，既?(ji)能??(neng)抵??(di)御??(yu)外??(wai)敵??(di)入?(ru)侵??(qin)??，又??(you)能??(neng)清??(qing)理??(li)內(nèi)?(nei)部??(bu)隱??(yin)患??(huan)???！　細(xì)?(xi)胞?(bao)的?(de)角??(jiao)色??(se)則??(ze)是??(shi)指??(zhi)揮??(hui)、“殺?(sha)敵??(di)”與??(yu)“維??(wei)穩(wěn)??(wen)”??。?比??(bi)如?(ru)輔??(fu)助??(zhu)T細(xì)??(xi)胞??(bao)??，扮??(ban)演??(yan)著??(zhe)“指??(zhi)揮?(hui)官??(guan)”角??(jiao)色??(se)??，通?(tong)過??(guo)釋??(shi)放?(fang)細(xì)??(xi)胞??(bao)因??(yin)子?(zi)??，激??(ji)活??(huo)B細(xì)??(xi)胞??(bao)和??(he)其??(qi)他??(ta)免??(mian)疫??(yi)細(xì)??(xi)胞??(bao)；細(xì)??(xi)胞??(bao)毒?(du)性??(xing)T細(xì)??(xi)胞?(bao)??，扮??(ban)演?(yan)著??(zhe)“殺??(sha)手??(shou)”角??(jiao)色??(se)??，直??(zhi)接??(jie)穿??(chuan)透??(tou)感??(gan)染?(ran)細(xì)??(xi)胞??(bao)??，注??(zhu)入??(ru)毒??(du)素??(su)將??(jiang)其??(qi)摧??(cui)毀??(hui)；調(diào)??(tiao)節(jié)??(jie)T細(xì)??(xi)胞??(bao)??，扮??(ban)演??(yan)著??(zhe)“維??(wei)穩(wěn)??(wen)員??(yuan)”角??(jiao)色??(se)??，防??(fang)止??(zhi)免??(mian)疫?(yi)反??(fan)應(yīng)??(ying)過??(guo)度??(du)??，避??(bi)免??(mian)誤??(wu)傷?(shang)健??(jian)康??(kang)組?(zu)織??(zhi)??。。