论文部分内容阅读
案例1:在讲有氧呼吸时,问学生“冬天与夏天相比,我们为什么特别易感到饥饿?”这是一个日常生活中的问题,学生急于想知道,由此引入新课。告诉学生通过本节课的学习就能知道为什么。在讲过有氧呼吸这一知识点之后,再把答案给学生。(答案:冬天环境温度相对较低,人体散热会增加,要维持体温恒定,就要增加产热,有氧呼吸会适应性增强,消耗的有机物会增加,所以我
Case 1: Ask Students When Speaking for Aerobic Breathing “Why are we particularly hungry in winter when compared to summer?” This is a daily problem that students are eager to know and thus introduce new lessons. Tell students why you can learn through this lesson. After talking about the point of knowledge of aerobic respiration, then the answer to the students. (Answer: winter relatively low ambient temperature, human body heat will increase, to maintain a constant body temperature, we must increase heat production, aerobic respiration will be enhanced, the consumption of organic matter will increase, so I