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这份课件用生活化案例、实验拆解,通俗易懂

  • 2026-06-14 12:25:23
这份课件用生活化案例、实验拆解,通俗易懂

这份课件用生活化案例、实验拆解，通俗易懂

适用年级和教材版本：《神经冲动的产生和传导》课件+教案_人教版生物选择性必修1

🧨【课件内容介绍】

高中生物老师优选！

💐人教版选择性必修一《神经冲动的产生和传导》优质课件上线，本节是高中生物重难点，抽象难懂，这份课件用生活化案例 + 实验拆解，新课、公开课均可直接使用。

课件开篇结合奥运短跑抢跑、脑机仿生手两大热点情境，快速引入神经传导课题，调动课堂兴趣。

🌸依托蛙坐骨神经实验、枪乌贼电位探究还原科研历程，一步步拆解静息电位（K⁺外流）、动作电位（Na⁺）形成原理，搭配动态曲线图、离子流动示意图，把抽象电位变化可视化，告别死记硬背。

重难点分层突破：清晰梳理神经纤维局部电流、双向传导规律，专项总结电流表偏转题型解题技巧；

💮细致讲解突触结构、电→化→电信号转换过程，点明兴奋在突触单向传递的根本原因，配套不同位点刺激的经典例题，直击高频考题。

拓展板块结合兴奋剂、可卡因吸毒机理，联动《禁毒法》落实社会责任素养，实现学科知识和德育融合。

🏵️随堂习题精选各地高考、同步真题，答案解析完整，讲练一体化。

课件逻辑层层递进，从科学史实→原理剖析→题型归纳→生活应用，知识点系统化，排版清爽、图示丰富，省去教师画图整理、搜集习题的备课时间，轻松攻克电位、突触两大教学难点。

#神经冲动的产生和传导#生物#选必一#课件#教案#备课#公开课

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  137. /yingpanguazai/ssd/ssd1/www/a.sjds.net/vendor/topthink/think-template/src/template/driver/File.php ( 2.41 KB )
  138. /yingpanguazai/ssd/ssd1/www/a.sjds.net/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
  139. /yingpanguazai/ssd/ssd1/www/a.sjds.net/runtime/temp/97cad012e8e159aae2fe347a411e8351.php ( 12.06 KB )
  140. /yingpanguazai/ssd/ssd1/www/a.sjds.net/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000540s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000551s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.004545s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000278s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000473s ]
  6. SELECT * FROM `set` [ RunTime:0.012629s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000641s ]
  8. SELECT * FROM `article` WHERE `id` = 509644 LIMIT 1 [ RunTime:0.001433s ]
  9. UPDATE `article` SET `lasttime` = 1781777589 WHERE `id` = 509644 [ RunTime:0.009219s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.001279s ]
  11. SELECT * FROM `article` WHERE `id` < 509644 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.002844s ]
  12. SELECT * FROM `article` WHERE `id` > 509644 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003784s ]
  13. SELECT * FROM `article` WHERE `id` < 509644 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000691s ]
  14. SELECT * FROM `article` WHERE `id` < 509644 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.005060s ]
  15. SELECT * FROM `article` WHERE `id` < 509644 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000794s ]
0.112859s