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1 改进缘由呼吸是维持生命的基本条件和基本特征之一 ,在课本中呼吸运动与肋骨运动、胸廓的变化、呼吸肌的收缩的关系 ,学生无法用眼观察到 ,也不能感知到 ,现有的多媒体课件也不能真实地将它反映出来 ,而教科书上对有关内容的介绍 ,不论是学生理解它 ,还是教师去讲述它都是一
1 Improving Causes Breathing is one of the basic conditions and basic characteristics of maintaining life. In the textbook, the relationship between respiratory movements and rib movements, changes in the thorax, and contractions of the respiratory muscles are not visible to the students, nor can they be perceived. The multimedia courseware also cannot reflect it in real terms, and the introduction of the relevant content in the textbook is either a student’s understanding of it or the teacher’s description of it.