七年级生物下册4.11.2《尿的形成与排出》第1课时导学案(无答案)(新版)北师大版.doc

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1、1第 2 节 尿的形成与排出(第 1 课时)【学习目标】1.能够说出人体泌尿系统的组成及各个器官的功能。2.认真观察肾的结构和教材中的示意图,培养观察能力。【学习过程】自主学习一:泌尿系统说出的泌尿系统是由哪些器官组成的?自主学习二:肾的结构1.肾包括 、 和 。其中与输尿管相连的是 。2.每个肾有 个肾单位组成,肾单位是肾 的基本单位。3.肾单位由 和 组成,前者又包括肾小球和 ,肾小球是一个 球。4.右为肾单位结构图,据图回答。(1)图中1是_,2是_,里面都流着 _ 血。(2)图中8叫_,由_组成,它的外面包裹着_,其腔与 _相通。3和8_共同组成了_。(3)3、8、6共同构成了_。【当

2、堂检测】1.肾单位是由( )组成的A.肾小球和肾小囊 B.肾小球和肾小管 C.肾小球、肾小囊和肾小管 D.皮质和髓质2. 以下属于毛细血管球结构的是( )2A.肾小体 B.肾小管 C.肾小球 D.肾小囊3.形成尿液的单位是( )A.肾小管 B.肾单位 C.肾小球 D.肾小囊4.下列血管中,两端都是毛细血管网的是( )A.入球小动脉 B.出球小动脉 C.肺动脉 D.肺静脉5.尿液是在下列哪项中形成的( )A.肾小球 B.肾小管 C.输尿管 D.肾单位6.每个肾脏大约有肾单位( )A.100 个 B.100 多万个 C.1000 万个 D.1000 个7.与肾小球毛细血管相连的血管分别是( )A.入球小动脉和出球小动脉 B.入球小静脉和出球小动脉C.入球小动脉和出球小静脉 D.入球小静脉和出球小静脉 8.肾单位的结构包括下列哪几部分( )A.肾小球、肾小囊和肾小管 B.输尿管和肾小球C.入球小动脉和肾小管 D.肾小管和肾小囊3

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