中学生物学是研究动植物体和人体的构造、机能和规律的一门学科,是跟农业生产和人类健康生活相联系的一门学科。由于它研究的对象和内容有很大的具体性和多样性,所以直观教学在生物教学中就具有重要的意义。 Middle school biology is a subject that studies the structure, function and regularity of animal and plant objects and human bodies and is a discipline that is linked with agricultural production and human health. Because of its object and content of its research are very specific and diverse, so intuitive teaching in the biological teaching is of great significance.