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我们在教学“人体解剖生理学”第四章呼吸器官第三节“呼吸运动”的时候,通常要用着两种教具来帮助说明呼吸的动力:一种是说明由于“膈”的升降而使胸腔容积发生变化——胸腔长短的变化(图1);一种是说明由于“呼吸肌”的活动而使胸腔容积发生变化——胸腔粗细的变化图2)。第一种呼吸教具,需要用一塊橡皮膜代表膈和一个动物膀胱或其他可以胀缩的小气球来代表肺。我在这次教学时,因这两件东西,一时没能找到,就设法用其他东西代替了。我用半
When we teach the third section of Respiratory Physiology in Chapter 4 of Human Anatomy Physiology, “Breathing,” we usually use two types of teaching aids to help explain the motivation for breathing: one is to explain why the thorax Volume changes - changes in the length of the chest (Figure 1); one is due to the activity of the “respiratory muscle” to change the volume of the chest - changes in the thickness of the chest Figure 2). The first breathing aid, need to use a rubber diaphragm on behalf of the diaphragm and an animal bladder or other balloon can be a small balloon to represent the lungs. When I was teaching this time, I tried to replace it with other things because of these two things which I could not find in a moment. I use half