Lead surgeon Dr.Antonio Alcaraz is head of the Barcelona hospital's Renal Unit.

VOA: standard.2010.05.30

The renal system has an equally important function in that way, in maintaining your water balance.

泌尿系统也同样十分重要,它能够维持体内的水平衡

耶鲁公开课 - 生物医学工程探索课程节选

The respiratory system, for example, the renal system, the digestive system, these are examples - three examples of organ systems that contact the external environment.

例如,呼吸系统,泌尿系统,消化系统,这些系统,这三个系统,与外环境相联系

耶鲁公开课 - 生物医学工程探索课程节选