2018秋七年级生物下册4.5人体内废物的排出学案(无答案)(新版)新人教版.doc

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14.5 人体内废物的排出探究案一、合作探究探究一:泌尿系统的组成阅读教材 7273页文字资料,思考:1、什么是排泄?人体代谢废物排出的途径有哪些?2、泌尿系统由哪些结构组成?探究二:尿的形成和排出阅读教材 7376页文字资料,思考:1、什么是肾单位?肾单位的结构和功能是怎样的?2、尿液的形成及排出过程是怎样的?3、排尿的意义是什么?二、随堂检测1一个代谢正常的健康人,下列液体中不应含有葡萄糖的是( )A原尿B尿液C血浆D血液2泌尿系统中形成尿液和暂时贮存尿液的器官分别是( )A肾脏和输尿管B肾脏和膀胱C膀胱和尿道D膀胱和输尿管3小李发现自己的小便发红,去医院检查尿液后,发现其中有红细胞、蛋白质等成分据此你推断小李病变的部位可能是( )A肾小体B肾小球C肾小管D肾小囊

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