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2013苏教版七年级下册生物复习课件

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2013苏教版七年级下册生物复习课件 苏教版七年级下册生物复习 七年级生物下册 七年级生物下册PPT课件 苏教版七年级生物下册 苏教版七年级下册生物
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期末复习范围(考试范围整本书) 1,两张知识点背熟 2,卷子里看做过的填图和 选择里的错题 3,课件是从第8章到第13章的重点, 全部看会 无机物 有机物 水 无机盐 提 供 能 量 糖类: 蛋白质: 脂肪: 维生素: 是细胞的主要组成成分 钙和磷是构成骨骼和牙齿的主 要成分(儿童缺钙患佝偻病) 铁是构成血红蛋白的主要成分 是最主要的能源物质 是备用的能源物质 是构成人体细胞的基本物质 既不能参与构成细胞也不 能人体提供能量 1、蛋白质与( )呈现( )反应 2、( )与维生素C呈现( )反应 3、食物中营养成分与作用 第8章 12 9 10 11 8 口腔 咽 食管 胃 大肠 小肠 肛门 十二指肠 唾液腺 肝脏 胆囊 胰腺 有消化没吸收功能 的是,有吸收没消 化功能的是,消化 吸收的主要部位是 ?为什么? 消化系统组成(8页) To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform is still the focus of this year's “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this year's deep reform 消化系统的组成 消化管:口腔→咽→食管→胃→小肠→大肠→肛门 消化腺: 分泌消化液(含有消化酶),消化食物 唾液腺、 胰腺、 肝脏、 胃腺、 肠腺 位于消化管外面的大的消化腺 位于消化管内的小消化腺 唾液 胰液 胆汁胃液 肠液 (淀粉酶) (多种酶) (没有消化酶) (蛋白酶) (多种酶) To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform is still the focus of this year's “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this year's deep reform 食物的化学消化过程 口腔 小肠 唾液淀粉酶 肠液、胰液 胃蛋白酶 胃 小肠小肠 小肠 肠液、胰液 肠液、胰液 胆汁 淀粉 麦芽糖 葡萄糖 蛋白质 多肽 氨基酸 脂肪脂肪微粒 甘油、脂肪酸 To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform is still the focus of this year's “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this year's deep reform (l)甲表示( )的消化曲线,因为 其到了( )才开 始被消化。(2)丙 表示( )消化曲 线,因为其在( )就开始被消化。( 3)这三种营养物质 在( )中都可以 被消化,而在( )中则都不能被消化 。 脂肪 小肠 蛋白质 胃 小肠 食管 口腔有消化功能,没有吸收功能,大肠有吸收功能 ,没有消化功能 To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform is still the focus of this year's “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this year's deep reform 某中学生物科技活动兴趣小组,在探究“淀粉在口腔内的消化”时,进行了以下实验 : 试管编号123 馒头碎屑或 块 碎屑适量碎屑适量馒头块适量 清水或唾液2 mL唾液A2 mL唾液 震荡后保温37 ℃水浴中保持10分钟 加入碘液2滴 结果不变蓝变蓝变蓝 (1)为了证明唾液对馒头有消化作用,在2号试管的A处应加入 ,作为1号试管的 实验。 (2)1号试管不变蓝的原因是唾液中含有 酶,它能促 进淀粉的分解。 (3)通过对1号试管与2号试管的比较,可以得出结论: (4)通过对1号试管与3号试管的比较可以证明:口腔中 ,有助于食物的消化。 2mL清水 对照 唾液淀粉 唾液对淀粉具有消化作用 舌的搅拌和牙齿的咀嚼 To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform is still the focus of this year's “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this year's deep reform 分组 方法 为了研究唾液及口腔的咀嚼对淀粉的消化作用,某同学设计 并完成了下列实验 方案。 1234 处理馒头块0.5g0.5g 馒头碎屑0.5g0.5g 水2ml2 ml 唾液稀释液2 ml2 ml 条件37℃保温5分钟 碘液检测2滴2滴2滴2滴 实验现象 ① 如果把2和4作为一组实验,目的是研究_________。 ② 若模拟研究正常摄食情况下唾液对淀粉的消化作用, 应选择的实验组合是 。 ③ 3、4号试管中加入碘液后的颜色变化分别是 _________ 和_________ 你对此现象的解释是 _________ 。 咀嚼对淀粉的消化作用 3和4 3号试管蓝色, 4号试管不变蓝 4号试管内淀粉在唾液淀粉酶的作用下水解,3号试管中没有淀粉酶, 淀粉不发生变化,遇碘变蓝色 1 2 3 4 5 一、呼吸道和肺组成呼吸系统(一、呼吸道和肺组成呼吸系统(5252页)页) 呼 吸 系 统 呼 吸 道 肺(主要器官,气 体交换的场所) ) 鼻 咽 喉 气管 支气管 6 气 体 的 通 道 左肺两叶,右肺三叶,新鲜肺粉红色 肺泡特点(53页) 第10章 1、人体与外界气体交换过程,也就是呼吸的全 过程包括?通常所说的呼吸是? 2.辨析概念 呼吸作用: 肺通气(呼吸): 呼吸运动: 生物体细胞内葡萄糖等有机物氧化 分解并释放能量的过程 外界和肺泡之间的气体交换 胸廓扩大和缩小的运动 肺通气、肺换气、气体在血液中的运输、 组织气体交换;肺通气 实现 To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform is still the focus of this year's “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this year's deep reform 外界 组织细胞 呼吸道 空气 呼出的 气体 空气 肺 呼出的 气体 肺通气 血液循环 肺部毛细血管 氧气 二氧化碳 肺的换气 氧气 氧气 二氧化碳 二氧化碳 气体在 血液中的运输 组织处毛细血管 氧气 二氧化碳 组织换气 人体呼吸的全过程 To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for further promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform is still the focus of this year's “two sessions.“ Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency and raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the welfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this year's deep reform 1 2 3 4 5 (1)该模型此时模拟的状态是 。 (吸气还是呼气)。 (2)1 ,2 ,3 ,4 ,5 。 (3)图中气流方向为 (4)该模型中直接与人体呼吸运 动有关的是( )和( ) (5)气体进入3后,会透过( )和( )进入血液 AB (1)此图表示呼吸时 的变 化,A图表示 ,B图表示 。 (2)吸气时,肋间外肌和膈肌 ,胸廓容积 ,肺容积 ,肺内 气压____。气体便被吸入。 (3)呼气时,肋间外肌和膈肌 ,胸廓容积 ,肺容积 ,肺内 气压____。气体便被排出。 胸廓和膈 吸气 呼气 收缩增大增大 下降 膈 气管 支气管 肺 胸廓 膈 胸廓 肺 肺泡壁 毛细血管壁 甲是( )气体交换;乙是( ) 气体交换;它们是通过( )实现的, A到 B的血液成分变化是( ) 两图中含氧量最高处是( ),含二氧化碳 最高处是( ),。 肺内 组织内 静脉血变为动脉血 气体扩散 肺 动 脉 肺 静 脉 体静脉体动脉 肺泡 组织细胞 To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Throu
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