初中（生物）第二册“人体生理卫生”部分，学生对循环系统、消化系统、呼吸系统及泌尿系统之间的关系，以及这些系统与新陈代谢之间有何联系等，很难整体理解和掌握。因此，我在讲完这些内容之后，利用图解归纳法进行了一节总复习，学生反映较好（如图）。现将这节复习课的做 It is difficult for the students to understand and master the relationship between the circulatory system, the digestive system, the respiratory system and the urinary system, and the relationship between these systems and metabolism. . Therefore, after I finished these contents, I used a graphical induction method to perform a review of the total, and the students responded better (pictured). Now we will do this review lesson