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《人的血液循环》一课中,关于血液循环器官的组成、形态、部位等内容相对来说是比较容易的,可以引导学生通过观察,或借助挂图、模型、幻灯等教学手段加以认识。另一部分教材内容是血液循环的生理作用,这是除神经活动外人的主要生命现象,人们每时每刻都切身感受到这一生理活动的影响,却又不能直接观察,直接感知认识,只能根据某些可感知的情况,作间接推理,也就是‘解暗箱’。作为推理的依据,可以
In the course of “human blood circulation”, it is comparatively easy to make comparisons about the composition, shape and site of blood circulation organ, and can guide students to observe through observation or teaching methods such as wall charts, models and slideshows. The other part of the textbook is the physiological function of blood circulation, which is the main life phenomenon of people outside the nervous activity. People feel the physiological effects of this physiological activity all the time, but they can not directly observe and directly recognize their knowledge. According to some perceived situation, indirect reasoning, that is, 'unmask'. As a basis for reasoning, you can