肝的主要生理功能是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25605' and id < 2154624 and id<>'2154624' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25605' and id > 2154624 and id<>'2154624' order by id asc limit 5