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學(xué)習(xí)快評(píng)丨qibao666888　　身?(shen)體??(ti)中??(zhong)的?(de)鉀??(jia)主??(zhu)要??(yao)來(lái)?(lai)源??(yuan)于??(yu)食?(shi)物??(wu)??，膳?(shan)食??(shi)中??(zhong)90%的??(de)鉀??(jia)通??(tong)過(guò)??(guo)腸??(chang)道??(dao)吸??(xi)收??(shou)入??(ru)血??(xue)??，并??(bing)主??(zhu)要??(yao)通??(tong)過(guò)??(guo)汗??(han)液??(ye)、尿??(niao)液??(ye)、消??(xiao)化??(hua)道??(dao)排??(pai)泄??(xie)??，而??(er)使?(shi)鉀??(jia)保??(bao)持??(chi)在??(zai)動(dòng)??(dong)態(tài)??(tai)平??(ping)衡??(heng)中??(zhong)??。??　　第??(di)四??(si)層??(ceng)：薯??(shu)類??(lei)。