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1、1/4 蒙阴四中教师教案课题第六章、人体生命活动的调节（第一课时）编号 13 备课日期3.20 二次备课日期3.21 课型复习课教案目标1.结合教材中的图片，描述眼球结构和耳的结构2.通过 读图，描述人体神经系统的组成教案重点重点：人体神经系统的组成教案难点难点：人体通过眼。耳等感觉器官获取信息教材分析及教法设想人体生命活动的调节是七年级生物学下册第六章的标题，是在学生学习了人的生殖，食物消化与营养吸收，与外界的气体交换-呼吸，人体内的物质运输，人体内废物的排出等生命活动之后，又一个重要的生命活动。人体生命活动的调节机制其实极为复杂，神经系统，内分泌系统和免疫系统都在发挥着调节作用，他们之间相
2、互协调，共同构成机体的调节网络（神经系统-体液调节-免疫调节网络）。本章只介绍通过神经系统实现的神经调节和通过内分泌系统实现的激素调节，关于免疫的内容，安排在最后一个单元健康地生活。教案准备七年级下教材同步学习课件教案环节导学过程学习过程备注创设情境导入新课【课前复习】任务 1.结合教材中的图片，描述眼球结构和耳的结构1 指认眼球的各部分的结构名称及功能2 尝试用文字和箭头表示出视觉形成的过程。外界物体反射来的光线，依次经过，并通过的折射，最终在形成物像。物像刺激了这层膜上的感光细胞，产生，沿着传入到的视觉中枢，就形成了视觉。3、患近视眼的人看不清的物体，是因为这些物体反射过来的光线所形成的物
3、像，落在，近视眼可以通过配戴透镜加以矫正。4.指认耳的各的名称和功能。5.尝试用文字和箭头表示出听觉形成的过程外界的声波经传到，引起振动。这种振动通过传到，刺激内的，而产生神经冲动，神经冲动沿传到的听觉中枢从而形成听觉。课前复习完成任务1、2 学探导学导引诱思2/4 展示交流质疑深化任务 2.通过 读图，描述人体神经系统的组成1神经系统的组成和功能（）和（）是神经系统的中枢部分，组成神经系统；脑神经和脊神经是神经系统的周围部分，组成神经系统。脊髓能对产生有规律的反应，还能将对这些刺激的反应传导到脑与躯干、内脏之间的联系通路是。2.神经元的组成和功能课中实施一、预习交流 学生以小组为单位交流形成
4、本小组的共性结论二、成果展示.三精讲点拨：课件出示典型例题：1 右 图 是 眼 球 结 构图，请 回 答 下 列 问题：（1）填写各序号的结构名称：，。(2)外 界物 体 反 射来 的 光 线，依 次 经过、瞳孔、和，并经过等的折射，最终落在上，形成一个物像。物像信息通过传给大脑的一定区域，人就产生了视觉。(3)远视眼是指随着年龄的增长，晶状体的曲度，或者眼球的前后径，形成的物像就会落在视网膜的，造成远视眼，可配戴加以矫正。四反思拓展2、“听到鞭炮声捂住耳朵”这种通过神经系统对刺激所发生的有规律的反应被称为反射，以下是流程图解释了这种现象，请你将下列结构名称的代号填入该流程图中。听觉神经大脑中
5、的听觉中枢脊髓鼓膜耳蜗听小骨支配肌肉的神经躯体运动中枢鞭炮声波小组合作交流课前复习成果讨论疑难问题以小组为单位进行展示，分任务完成。梳理知识归纳整合达标检测巩固提升文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 H
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8、P5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5
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10、P5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5
11、L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L13/4 有关的肌肉交替收缩与舒张（捂耳）五系统总结注意从基础知识和过程方法方面总结六达标检测（见同步）学生做题反思拓展总结达标检测板书设计第六章 人体生命活动的调节一、人体对生命活动的感知：二、神
12、经系统的组成：脑脊髓（1）眼与视觉神经（2）耳与听觉教学札记学生在复习人体对外界感知一节的内容，结合一系列彩图比较容易掌握。而在复习神经系统的组成时，特别是87 页的资料分析学生感觉比较困难，教师应给予积极的鼓励，并给予明确的归纳和指导。关于神经元、神经纤维、神经三个概念学生也不易掌握，教师应展示大量图片，以利于学生形成感性的认识。文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D6V4 HP5D8L9N2B7 ZG9T9H2Q5L1文档编码:CZ8P7A4D
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