最早出现专职呼吸器官的是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29829' and id < 2420919 and id<>'2420919' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29829' and id > 2420919 and id<>'2420919' order by id asc limit 5