初中吸烟有害健康英语作文((精选15篇))由网友“yippeeFan”投稿提供,以下是小编为大家准备的初中吸烟有害健康英语作文,仅供参考,欢迎大家阅读。
篇1:初中吸烟有害健康英语作文
It is said that about half of people in China smoke. Many young boys and girls have the habit of smoking, though they are middle school students.
As we all know, smoking does great harm to human beings. More and more people have come to realize how serious this problem is. But they are never bored with it. Some people think it is a kind of fashion, some think it is of great fun and others think that smoking can refresh themselves.
Smoking causes many illnesses. A lot of people always cough because of smoking. The most serious illness caused by smoking is lung cancer. Meanwhile smoking is a waste of money. Besides, careless smokers may cause dangerous fires.
In order to keep healthy, we should get rid of the bad habit of smoking. Please stop smoking at once.
篇2:吸烟有害健康作文英语
吸烟有害健康作文英语 -英语作文
It is said that about half of people in China smoke. Many young boys and girls have the habit of smoking, though they are middle school students.
As we all know, smoking does great harm to human beings. More and more people have come to realize how serious this problem is. But they are never bored with it. Some people think it is a kind of fashion, some think it is of great fun and others think that smoking can refresh themselves.
Smoking causes many illnesses. A lot of people always cough because of smoking. The most serious illness caused by smoking is lung cancer. Meanwhile smoking is a waste of money. Besides, careless smokers may cause dangerous fires.
In order to keep healthy, we should get rid of the bad habit of smoking. Please stop smoking at once.
篇3:吸烟有害健康英语作文
Smoking Is Bad for Health
Smoking is a bad habit that does harm to smoker and others. Many kinds of diseases and cancers are caused by smoking, such as tracheitis, lung cancer and many other diseases. Recent years, there are tens of thousands of people dying of smoking. But there still are many people enjoying smoking, because they think smoking is a kind of fashion and smoking is so cool, especially among teenagers. In addition, smoking does harm to others as well. Second hand smoking has been recognized harmful to other people. Even worse, it may cause more damages. Therefore, people should remember that smoking is harmful to others and those people who smokes should give up smoking as soon as possible.
篇4:吸烟有害健康英语作文
It has been estimated that smokers have made up half of the population in China. And the smokers are becoming younger and younger, even ineluding some middle school students.
Nowadays more and more people have realized smoking can do harm to peopleshealth. However, some people still enjoy smoking. Why? Because some of them think it is a kind of fashion, some think it is of great fun and others, think that smoking can refresh themselves.
In fact, smoking is a bad habit. It can cause a lot of diseases. Meanwhile smoking is a waste of money. Besides, careless smokers may cause dangerous fires.
Smoking is harmful and it is not only bad for smokers themselves, but also bad for non-smokers.
Therefore, I hope all the smokers can give up smoking for themselves and also for the people around them.
篇5:吸烟有害健康英语作文
At the class meeting our teacher read us a report in the newspaper. A certain student in a middle school smoked and he wouldnt get rid of the bad habit though his teacherand friends warned him not to smoke any more. He even stole money to get cigarettes and was pat into prison in the end. This really gave usa shock. As we all
smoking is very harmful to our health. It does great harm not only to our health, but also to our mind, especially for us teenagers. Now more and more people all over the world have given up smoking or have made up their minds to do so, I think we middle school students are the future builders of our country. We should study hard and make progress every day. We should form good habits so that we can spend our time learning things useful and valuable for our motherland and people, I think todays class meeting is very meaningful to my classmates who have a bad habit of smoking.
篇6:吸烟有害健康英语作文
this is how clear caution, how well-meaning advice! Cigarette resembles invisible killer , it is in casual a health that damages you, gobble up your life. There also is such person beside us, know perfectly well smoking ill health, but he still smokes. Do you know ? In the aerosol of the generation when smoking, have a variety of 3000 harmful material. Endanger among them the biggest is nicotine. Tar and carbon monoxide. The nicotine in a smoke is OK kill with poison a small white rat. Absorb 40-60 milligram nicotine the person dies possibly. The person that smokes for a long time suffers from chronic tracheitis easily. Coronary heart disease, suffer from even on lung cancer. Tar is nicotian flaming child, among them a variety of cancer make thing. The harmful material in cigarette body can enter their body insensibly, the neurological, respiratory system that destroys them. If be mixed for a long time cigarette intimate contact the immune force that can reduce human body, make memory drops likely still. The nicotine in cigarette has direct destruction to vitamin C action, because of smoking may prevent human body to be absorbed to it. If human body is long-term devoid vitamin C, get likely scorbutic.
did not smoke again please! A small smoke, endanger ten thousand myriad. Smoking is equal to prodigal oneself health, shorten oneself life. Let us have a smokeless beautiful season!
篇7:吸烟有害健康英语作文
吸烟有害健康英语作文
Smoking is a badhabit that does harm to smoker and others. Many kinds of diseases and cancersare caused by smoking, such as tracheitis, lung cancer and many other diseases. Recentyears, there are tens of thousands of people dyingof smoking. But there stillare many people enjoying smoking, because they think smoking is a kind of fashionand smoking is so cool, especially among teenagers. In addition, smoking doesharm to others as well. Second hand smoking has been recognized harmful toother people. Even worse, it may cause more damages. Therefore, people should rememberthat smoking is harmful to others and those people who smokes should give upsmoking as soon as possible.
吸烟是个坏习惯,它对吸烟者和别人都有害。很多疾病和癌症是有吸烟引起的,比如说气管炎,肺癌还有很多其他疾病。近年来,成千上万的人死于吸烟。但是仍然有很多人喜欢吸烟,因为他们认为吸烟是一种时尚,很酷,特别是青少年。另外,吸烟也会对别人有害。二手烟是公认的对别人有害的.。更糟糕的是,它会带来更多伤害。因此,人们应该牢记吸烟有害他人,那些吸烟的人应该尽可能戒烟。
篇8:吸烟有害健康英语演讲稿
吸烟有害健康英语演讲稿
大量的科学研究资料早就证明,吸烟对人体健康的危害十分广泛。所有烟草中均含有可导致人体发生多种致死性和致残性健康问题的毒素;吸烟者患癌症,尤其是肺癌、心脏病、肺气肿及其他致死性疾病的`危险性会明显增加,全世界每年因吸烟死亡达250万人之多,烟是人类第一杀手。自觉养成不吸烟的个人卫生习惯,不仅有益于健康,而且也是一种高尚公共卫生道德的体现。以下就是关于吸烟有害健康的英语演讲,我们一定要重视吸烟有害健康这个问题,从自身做起,保护自己也保护环境。
1. Smoking And Health
Today smoking is a widespread habit all over the world. Not only the old, the youth, but also middle school students have been engaged in smoking. Many of them think that smoking is a smart symbol.
However, smoking is harmful to one’s ,health. It contributes a lot of lung cancer, from which many people have died in the past years. It can also cause many other diseases. In a word, if you smoke, you do have a much greater chance of losing your health. Furthermore, scientific research shows that smoking is not only harmful to smokers themselves, but also a threat to public health, especially to women and children. Therefore, many countries have made laws forbidding smokers to smoke m public places such as cinemas, stations, hospitals, and so on Give up smoking! If you don’t smoke, don’t start. Give up smoking for the sake of your health, for the sake of your family, and for the sake of the whole world.
2. Do you have a habit of smoking?
Anyone here?And that’s our topic today-smoking is bad for your health. The data based on the Centers for Disease Control and Prevention, cigarette contains more than 4,000 chemicals, as well as more than 250 kinds of toxic or carcinogenic. I will be in three parts of the contents, first to talk about the dangers of smoking, followed by talking about why so many people smoke, and finally some advice to quit.
Smoking is bad for your health---no kidding we will agree with that. According to the World Health Organization, 1/4 of the lung cancer patients in industrially developed countries, 90% are smokers; those who were died of bronchitis, smokers accounted for 75%; and in myocardial infarction smokers accounted for 25%.
Now smoking does so much harm on their own or others, why do so many people still smoke a lot? First, it is a long-established habit for many people, they could not escape in a short time.Second, a necessary for social intercourse. Third, a lot of smokers have less sense of the seriousness of the consequences of smoking.
There are various methods to quit smoking, and it varies from person to person. First, please have confidence and determination.Secondly, make out plans to reduce the number of daily smoking. How about the cravings coming back? You can take activities to distract, like a deep breath, drinking tea, eating snacks and so on.
To sum up, what we talk above are about the dangers of smoking, the reason some people smoke, and finally some suggestions about cessation. That’s all, thank you.
篇9:吸烟有害健康作文
我爸爸和别人的爸爸一样,很爱我也很辛苦。但我爸爸吸烟却一直都戒不了。
记得有一年夏天的晚上,妈妈觉得屋里太热了,所以让爸爸带着我们去世纪广场凉快凉快。到了世纪广场,我和妈妈都在看跳舞,可是爸爸却不知道哪儿去了。我问了妈妈,妈妈也说不知道。当爸爸回来时,只要一说话,嘴里就飘出来一股难闻的烟味,我就知道一定是您去吸烟了。当知道爸爸吸烟了,我是多么的伤心,难过,因为我和妈妈不止一次地提醒爸爸不要吸烟了,可您不听劝告。
原来我还不怎么恨卖烟的人,可是现在我非常痛恨卖烟的人,因为烟危害很多人的身体,我希望爸爸能尽早戒掉烟。
吸烟对身体有害,因为吸烟容易得病,症状是手脚发抖,以前姥爷和爸爸都吸烟,现在爸爸戒了,可是姥爷还在吸烟,我就告诉姥爷吸烟对身体有害,姥爷说,会尽量不吸烟,我很高兴。
姥爷以前手发抖,是因为吸烟造成的,现在姥爷已经很少抽烟了,他的手也不抖了,我自己总结了一条,就是吸烟是能戒的。
今天我看了卢勤写的一篇吸烟危害健康的文章,文章说广州56所学校里有1141名高中生吸烟,这些学生常常躲在学校厕所里或楼梯上吸烟,其中有6名同学因吸烟造成血管堵塞。
还有一个上高一的学生叫杨成,他经常在学校里吸烟,有些同学们说他吸烟的样子很酷,所以他每天都吸烟,最后得了疾病。可以看出吸烟对人体的危害性是很大的。
吸烟污染环境,也会危害健康,更会让子子代代得上烟瘾的毛病,所以请大家不要吸烟。
我的爸爸很爱吸烟,我和妈妈经常劝爸爸可都没有成功。爸爸依然常常吸烟,常常糟蹋自己的身体。
今天爸爸仍不例外,吃完晚饭后依旧坐在沙发上翘着二郎腿开始吞云吐雾了,于是我和妈妈决定要一起想法儿让爸爸戒烟。过了一会儿我俩就悄悄地靠近他,发现他还当神仙,我不耐烦了就冲过去对他说:“爸,你知道不,烟中共有20多种毒素,其中最毒的要属尼古丁了,尼古丁一滴能让三头公牛倒下,八滴可以让一批骏马立刻死亡,难道你比公牛和骏马还厉害么?”
“我肯定比他们厉害,它们是低级动物,我可是高级动物。”爸爸不服气的说。
“老公,吸二手烟,更可怕,”妈妈帮我助阵,“人每吸一支烟,就会减少6分钟寿命,我们都吸了你的多少只二手烟了,不下十支了吧!
说着说着,老爸被我和妈妈的感动了。从此爸爸再也没有吸一支烟。
每个人都有自己的习惯,有好习惯,也有坏习惯,我们要学习取长补短。
今天晚上我一到家里,刚进屋就呛得我立刻跑了出来,还以为家里着火了,我又跑进了屋,一开门,屋里像罩了一层雾一样,只见爸爸坐在沙发上,抽着烟,妈妈正在劝他不要抽了,可爸爸还在抽着。在我们的生活中,也有许多人有吸烟的坏习惯,虽然他们知道吸烟对人体有害,但他们还是要去吸,着实令人费解。
在我的身边,虽然许多地方贴着大大的标语:禁止吸烟。但是还是有许多人毫无顾忌的吸烟,虽然在所有的香烟盒上,都印着“吸烟有富健康”的字样,但是人们视而不见,继续他们的爱好。
商家既然知道吸烟有害健康,为什么还要生产香烟呢?我感到疑惑不解。不知是谁答道:“当然是因为吸烟的人多,生产香烟赚钱。”我想如果国家像“虎门销烟”一样对待香烟,吸的人可能越来越少。
我想对吸烟者说:吸烟只有害处,你们还是尽早把烟戒了吧。
篇10:吸烟有害健康作文
大家晚上好!
我是05电子电器班学生,名叫;今天,在这里,作为控烟个人代表向大家作报告,我本人深感荣兴和自豪。
我汇报的题目是“要戒烟,态度决定一切”
众所周知;吸烟有害健康,主要有害物质不是尼古丁,而是点燃的烟草能产生几十种能够致癌有害的物质。想来好多应该是从接人家的第一支烟开始的。勿因善小而不为,勿因恶小而为之。防微杜渐,拒绝人家递给你的第一颗香烟。吸烟是一种愚蠢的行为,是一种不良习惯。吸烟绝对不是一种潇洒,一种风度。根据我的经验,如能坚持半个月不吸烟,你戒除烟瘾可能性就有80%;如果能坚持一个月不吸烟,戒烟的可能性就有98%……
怎样戒烟呢?
我在中学吸烟是出于年少无知,一开始看到周围的同学和朋友吸烟,“吞云吐雾”,一根接着一根,自由自在,别有一股情趣,我出于好奇,渐渐地就成了与烟打交道的坏习惯。当吸上了第一根烟时,觉得味道很有意思,很新鲜,朋友们说,这才像男子汉的样子,于是整天跟着他们一起混,把“学习”的事情置之度外。就这样我的烟一天比一天多,烟瘾越来越重,由于受到中学环境的影响。吸烟根本不知道烟的危害有多大,在家时爸妈经常教育我不要吸烟,但我很难做到。从此,烟瘾一直伴随着我进入工校。
自从进入工校以来,我看到工校的大环境特别好,工校是“无吸烟学校”,又是全国控烟先进单位。工校人文明守纪的优良作风,使我有了很大的触动和羡慕。特别是学校学生管理和严格的控烟工作,加上我又是一个纪律委员,让我产生了控烟的想法。是学校给了我重新悔改、重新做人的机会,班主任也经常耐心指导帮助我,给我做了大量的控烟工作。还多次与我的父母联系汇报我在校的控烟情况。通过学校、家庭、社会三位一体的教育,使我的思想彻底的改变了,每当我手里叨着一根烟时,就想到自己花了不该花的钱,“吞云吐雾”不断地折磨自己身体时,我的心像刀刺一样的镇痛禁烟演讲稿禁烟演讲稿。不仅如此,还给班集体,给学校带来影响,想到作为纪律委员,应该处处以身作职,起带头作用才是。于是我下定决心要戒烟,一段时间内多次难以戒掉。但这个学期来,我信心十足,坚定态度,非戒不可,也正因为受学校大环境的渲染,不知不觉的终于把烟戒掉了。而且我还说服了我的亲人戒烟。是的,很多人明知吸烟对自己健康有害,可是戒掉却很不容易。怎样才能戒掉呢?简单说就是要有戒烟的决心和坚强的毅力。
我的感受是:具体需要做到以下两条:
(1)认真学习和深刻认识吸烟对健康的危害。
(2)用各种方法和自己的烟瘾作斗争。包括自己管自己,利用周围人管自己,利用环境和其它措施管自己。很多人光听说吸烟有害,并不彻底明白也不完全相信有些人是半信半疑。所以一定要想办法采取有效的宣传让吸烟人真正相信吸烟有害。如果吸烟人彻底了解并且真正相信吸烟是有害的。联系自己实际,想一想得了肺癌、心脏病等病的后果,如果头脑清楚会算帐,就不会坚持吸烟、往疾病和死亡的路上走。我们常看到有些人因长期吸烟得了肺癌很快就不行了。中晚期肺癌绝大多数活不过2年,给家庭带来的后果可想而知。有些人联系自己实际仔细想想就会戒烟。全世界平均每天有8000人戒掉烟,我们国家每天也有很多人戒掉烟,这些人都是比较明智的。在戒烟过程中,像这样“怀念”和理智的斗争会经常发生,如果理智和决心战胜“怀念”就能坚持不吸,如果战不胜就会前功尽弃。所以在想吸时一定要自己说服自己,自己管住自己。决定戒烟后,最好马上全停。逐渐减量的方法不好,容易反复。因为决心和“怀念”常会交替出现,趁决心坚定的时候,马上全部停止,就完成戒烟了。如逐渐减量,过几天热劲过去又“怀念”香烟。临时发生不愉快的事或大喜事等,也不要以此为由又吸烟,以免前功尽弃。戒烟能否成功,关键在于自己。
对吸烟者来说,是决心的检验,意志的考查,毅力的测试禁烟演讲稿演讲稿。自己确定一个停止吸烟的日期,“我下决心,坚决戒烟把你的决心告诉周围的人,并严格遵守)戒烟后遇到想吸烟时,要用最大的毅力强迫自己忍耐5分钟、10分钟、……一直推迟到吸烟的想法“云消雾散”为止;戒烟之初,总觉心烦意乱、手足无措。每当这时,千万不能产生对吸烟的羡慕感,更以坚决态度控制“烟欲”。迅速回避和谢绝他人递烟。
我要告诫有吸烟的同学,当你按上述想法做了之后,就会踏上戒烟成功之路,你的决心和意志不但使你和学校、班级、家人重过健康快乐的生活,而且由你可以证实,戒烟是可以成功的
控烟工作是一项功在当代、利在千秋的伟大事业。控制吸烟工作要得到全社会大力支持,我们要长抓不懈,我相信,在我校控烟工作的严格管理下,一定会让更多吸烟的同学把烟戒掉。同学们,为了自已的身体健康,用自己坚决的态度来决定自己的一切。请同学们不要“吸第一支烟”,珍爱生命,远离烟草。我的话讲完了。 谢谢大家!
篇11:吸烟有害健康作文
老师们:同学们大家好!
今天是5月31日,你们知道今天是什么日子吗?今天是“世界无烟日”。 今天我国旗下讲话的题目是吸烟有害健康,远离香烟!
同学们,你们是否跟我一样,耳边有一个声音在呼喊:吸烟有害健康,远离香烟!一根小小的香烟,在大家眼中是如此渺小,但如果你们真正了解到它的危害,就会瞠目结舌!下面就让我们来听听烟的自述吧——
我叫香烟,世界上无人不知无人不晓,而且大家都特别喜欢我。尤其是男士,很多人是我的“粉丝”。据统计,世界上约13亿人热衷于我,在中国大概也有3.5亿!也可以说全世界每3个吸烟人中就有一个中国人,中国是世界第一烟草大国,烟草产销量均居世界首位。你们别看我长得小,看起来微不足道,可我的本领可大了!告诉你们吧,我体内有4000多种化合物。怎么,你不相信?不是我自吹自擂,我们香烟个个都是最棒的,如果吸上一支,就会吸入几十个亿颗粒,顿时就会精神抖擞。不过,你们吸入的颗粒中含有尼古丁、焦油、氨、苯等致癌物,其中焦油含有几十种致癌物,尼古丁会使人成瘾。
听科学家说,一支香烟中的尼古丁就可以毒死一只小白鼠呢!大概是我太放肆的缘故,世界卫生组织专门对我进行了调查,据称全球每6.5秒就有一人因吸入我而失去生命,每年约500万人死于和我有关的疾病,还说我已成为继高血压之后的第二号杀手,有80%的肿瘤,75%的慢性阻塞性疾病和25%的冠心病都与我有关„„我真的没想到我会给我的“粉丝”带来这样大的伤害。我自己听了都有一种心惊肉跳的感觉禁烟演讲稿禁烟演讲稿。大概是因为我太伤人了,人们便把5月31日定为“世界无烟日”。
虽然我有些不开心,但看看我的劣迹还是决定保持沉默了。 同学们,听了香烟的自我介绍,不知道你们有什么感受,我想,你们一定和我一样,有一种毛骨悚然的感觉。看看你们周围有多少烟民吧。见面的时候,他们会热情地敬烟,一脸有福同享的表情——他们把这些含有毒物的烟雾当作一种交际工具,悠哉悠哉地享受着有烟的生活,可他们不曾想到,在他们享乐的同时,他的家人,他的朋友,还有一些无辜的人都受着烟雾的侵害。在通风不好的室内吸上两支烟,室内的空气污染就要比室外高出20倍。烟可不是一个好东西。同学们,从今天开始,将“烟的自述”讲给身边的烟民们听,帮他们丢掉小小一支烟,重新拥有健康的身体!同学们,听完了香烟的自述希望你能对家人和身边吸烟的人进行劝阻,劝阻他们不吸烟。做一个健康的人。
我的讲话完了。
谢谢大家!
篇12:吸烟有害健康作文
这是多么明确的警示,多么善意的忠告啊!香烟就像个“隐形杀手”,它在不经意间损害你的健康,吞噬你的生命。在我们身边也有这样的人,明知到吸烟有害健康,可是他还是吸烟。
你们知道吗?吸烟时产生的烟雾中,有3000多种有害物质。其中危害最大的是尼古丁。焦油和一氧化碳等。一只烟中的尼古丁可以毒死一只小白鼠。一次摄入毫克尼古丁人就可能死亡。长期吸烟的人易患慢性气管炎。冠心病,甚至患上肺癌。焦油是烟草燃烧的产物,其中有多种癌制物。香烟身体里的有害物质会不知不觉地进入他们的身体,破坏他们的神经系统、呼吸系统等。如果长期和香烟“亲密接触”就会降低人体的免疫力,还有可能使记忆力下降。香烟里的尼古丁对维生素C有直接的破坏作用,因儿吸烟可能会阻止人体对它的吸收。人体如果长期缺乏维生素C,就有可能得坏血病。
请不要再吸烟了!小小的一支烟,危害万万千。吸烟就等于挥霍自己的健康,缩短自己的生命。让我们拥有一个无烟的花季吧!
篇13:吸烟有害健康作文
这段时间我爸经常从后备箱里拿出红黄两色的东西。而且总是很快很快地放在我们的衣柜里。
我爸晚上睡觉,我就偷偷打开了。那个柜子,仔细一看,全是烟。
别看我爸平时不怎么抽烟,但是到了晚上,我爸变成了“抽油烟机”,客厅里全是烟。还好我和我妈都有睡觉关门的习惯,不然就算睡觉也会吸二手烟!
到第二天,烟还没有散。烟灰缸里有无数个烟头。我妈说我爸比我大。据爷爷奶奶说,我爸十五岁开始抽烟。我爸答应过几百次不抽烟,但是一直没办法。为了开导他,我告诉他,一个每天抽15到20支烟的人,死于肺癌、口腔癌或喉癌的几率是不吸烟者的14倍;它对食道癌的易感性是不吸烟者的4倍。死于膀胱癌的概率是两倍;死于心脏病的风险是前者的两倍。吸烟是导致慢性支气管炎和肺气肿的主要原因,而慢性肺病本身增加了患肺炎和心脏病的风险,吸烟也增加了患高血压的风险。
但是,我爸一直没有悔过,我们在网上和书上用的招数都是没用的。
吸烟有害健康,我还是要对我爸说:“你要戒烟!”
篇14:吸烟有害健康作文
“吸烟能吸死人”这句话一点也不假,并且还有充分的科学依据。烟中含有20多种制癌物质,特别是40~50岁的人吸烟最容易的癌症,本来可以活80岁的一下子缩短了十几岁,最后只能活5、6十岁,还有一些青少年也吸烟,要知道,未成年人正处于成长阶段,所以可能会影响到骨骼发育。据统计,全世界约有20%的人吸烟,有近10亿人患上癌症是由于吸烟造成的,而能长命百岁的大都不吸烟,相反,只活到五六十岁的大都吸烟。但是我还是不明白,吸烟为什么会有这么大的诱惑力呢?因为烟民当中真正能戒掉烟的只占10%。
吸烟如同慢性自杀,也许吸烟时并没感觉到烟对自己的危害,可是当你因癌症时躺在床上不知有多恨烟了,唉!这世上什么药都有就是没后悔药,总之烟不是个好东西,烟能引发肺部疾病,心血管疾病,制癌,对智力有影响,还会造成骨质疏松,可谓百害无一利!
篇15:吸烟有害健康作文
吸烟有害健康
烟碱被吸入人体后,会刺激脑下垂体分泌一种激素,心脏肌肉的细胞遇到这种激素就会使心跳加快,血压升高,增进冠状血管的血液循环,使人精神振奋,增强反应能力,刺激精神活动,增强记忆力,
吸烟有害健康《转载》作文
。但烟碱刺激了植物神经,会使呼吸机能下降,心脏耗氧量增加,而烟气中的一氧化碳便会夺去大量的血红蛋白,影响血液对氧气的运输。另外烟碱能使人的四肢表面微血管收缩,直接或间接升高血压以及脉搏频率,从而对心脏、血管、消化器官和胃脏产生影响。尼古丁被吸烟者吸入后,从肺泡进入肺循环,又经左心室进入动脉循环,继而进入脑内。因尼古丁有强大的脂质亲和性,可在脑脂内蓄积,但作用
当然,兴奋是不是纯生理状态,可能从不同的角度会有不同的看法。致使兴奋的方法有两种:精神因素引起的兴奋,尽管它的内容会因不同的价值观而得到不同的评价,但在生理上是基本 “无害的”。依靠某种物质,如烟、酒、咖啡等引起的兴奋,无论它的目的是什么,在生理
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★ 初中英语健康作文
★ 吸烟的坏处作文
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