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學習快評丨qibao666888　　第??(di)五?(wu)層??(ceng)：肉??(rou)蛋??(dan)類??(lei)　　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)??。。