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人体心脏的正常工作,才能使血液在各类各级血管中流注循环,才能保证生命物质的正常运输和交换。《黄帝内经》记载:“心生之主也。”初中七年级的学生学完人体内物质的运输后,善于思考和领会的学生都会感悟到健康的心脏对于人的生命存在有多么重要。但是,教材上并没有关于心血管的卫生保健常识。为此,教师在帮助、辅导、鼓励学生自主学习的过程中,可以根据学生的实际情况,加以补充讲解。这样对改变某些学生的不良生活习惯,
The normal work of the human heart, blood circulation in all types of blood vessels in order to ensure the normal transport of life and the exchange of matter. “Yellow Emperor” records: “Students of the heart of the heart also.” After the seventh grade junior high school students learned the transport of substances in the body, good at thinking and understanding of the students will realize how healthy the heart of human life is so important . However, there is no general knowledge of cardiovascular health care materials. To this end, teachers in helping, counseling, encourage students to learn in the process of self, according to the actual situation of students, to be added to explain. This change some of the bad habits of students,