尿酸是人体嘌呤碱基分解代谢终产物，经肾脏排泄。
Uric acid as the end-product of purine metabolism in human body is excreted through kidney.
形成于古水热系统排泄区（减压区）的下庄花岗岩型铀矿床是地下热水与岩石相互作用的产物。
The granite type uranium deposit in Xiazhuang, formed in the discharge area of fossil hydrothermal system, is a product of thermal water_rock interaction.
循环系统与排泄系统组织结构上的紧密联系有利于代谢产物的排泄。
The close connection between circulatory system and excretory system in histological structure contributes to discharge of metabolite.
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