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原標題：被老乞丐巨大肮脏粗暴破苞

　　02　　心??(xin)臟??(zang)的??(de)正??(zheng)常??(chang)搏??(bo)動??(dong)和??(he)肌??(ji)肉??(rou)正??(zheng)常??(chang)收??(shou)縮??(suo)??，都??(dou)有??(you)賴??(lai)于??(yu)鉀?(jia)、鈉??(na)等??(deng)離??(li)子??(zi)的??(de)協(xié)??(xie)同??(tong)作??(zuo)用??(yong)?。??此??(ci)外??(wai)??，鉀??(jia)還??(hai)在??(zai)體??(ti)內(nèi)??(nei)肩??(jian)負??(fu)著??(zhe)控??(kong)制??(zhi)骨??(gu)骼??(ge)和??(he)肌??(ji)肉??(rou)活??(huo)動??(dong)、預??(yu)防??(fang)心??(xin)肌??(ji)異??(yi)常??(chang)的??(de)任??(ren)務??(wu)?。。