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福州去哪检查男科不孕不育最好求医专家福州人流去那好

2019年07月20日 20:26:39    日报  参与评论()人

福州总院性激素检查好不好费用多少福州市中医院测卵泡多少钱福州排卵监测需要多少钱 Chilly bumps, goose pimples, goosebumps – there are a few names for when tiny elevations on your skin form that resemble a goose#39;s flesh after its feathers are plucked.冷风疹子、小疙瘩、鸡皮疙瘩--有好几个别名来形容这种情况。人的皮肤上有时候会起一些小疹子,看起来就像鸡拔掉羽毛后的样子。And the cold, a sad tune or powerful scene from a movie can trigger this phenomenon when you least expect it.人在遇到寒冷的时候,听到悲伤的曲调的时候,或者从电影中看到令人震撼的场景的时候,就会产生这种你最不愿看到的现象。In this week#39;s episode of BrainCraft, Youtuber Vanessa Hill dives into the weird and wonderful science of why humans experience the chilling sensation of goosebumps.在本周的《大脑飞船》节目里,凡妮莎·希尔在Youtube上展示了这一怪异而又奇妙的科学,解释了为什么人会起鸡皮疙瘩的疑问。The scientific term for this evolutionary trait is pilomotor reflex or piloerection.科学上描述这一进化特征的专有名词是“竖毛反射”或者“立毛”。#39;I want you to think of the last time you remember experiencing them,#39; says Hill in the YouTube clip. #39;Was it at the beginning of this ? And if not, was it from the cold? Or music? A movie? Were you just having an intense emotional response to something?#39;希尔在Youtube视频上说道:“我希望你们想一想最后一次起鸡皮疙瘩的情形。那是不是在视频开始的时候。如果不是,那么因为遇冷?音乐?或者电影?或者说你当时对什么东西有强烈的情绪反应?”She continues to explain when hair standing to attention, it forms a buffer between your skin and the cold air –helping you to thermorgulate or regulate your body temperature. This is why most people tend to get goosebumps when they are cold or feel a chill.希尔继续解释说道,当毛发竖起来的时候,在皮肤和冷空气之间形成了一道屏障--从而帮助你调节温度或者说控制体温。那也正是为什么人在冷或者感觉冷的时候会起鸡皮疙瘩。The sensation is caused by the tiny muscles underneath each follicle, called arrector pili, and when they contract, the hair is pulled upright.这种感觉是由每个毛囊里的细小肌肉造成的,被称之为“立毛肌”,当这些肌肉收缩时,毛发就会立起来。#39;These are involuntary muscles and they#39;re part of our sympathetic nervous system, which is responsible for most fight or flight responses,#39; explains Hill. #39;The reaction is closely tied to our emotional state, and apart from being cold, this is why movies may be the best trigger for goosebumps.#39;希尔解释说道:“这些是#39;不随意肌#39;,是我们交感神经系统的一部分,这个系统产生了大多数的应激反应。这个反应的产生和我们的情绪状态有着密切的关系,这也正是为什么除了感觉冷以外,人们最经常因为电影而起鸡皮疙瘩。”This is because brain imaging studies have found that goosebumps activates structures like the amygdala and parts of the prefrontal cortex -- both found associated with pleasure and reward. And there is no rhyme or reason to when this sensation will occur, as it is sometimes brought on by a distant memory of a past event.关于大脑成像的研究已经发现,鸡皮疙瘩能够激活人类大脑中的杏仁核神经元和部分额叶皮质--这两部分都和大脑的愉悦和激励有关。而且鸡皮疙瘩的产生没有任何规律或者理由可寻,因为有时人们会因为记忆中久远以前的一件事而起鸡皮疙瘩。However, this phenomenon is one which descends from our ancient ancestors who used it to keep warm and it may have even kept them alive by deterring predators -- but experts have deemed this reaction useless to modern day humans.但是,这一现象是从我们的先祖那里继承而来的,他们曾利用这一反应来保持体温。并且吓跑捕食者--不过专家们认为对于现代人类来说,这种反应毫无作用。However, goosebumps are very important to some creatures of the world, such as cats, dogs and other mammals who use it has a way to seem larger and scarier to their predators.然而,鸡皮疙瘩对地球上其他一些生物来说却非常重要,例如猫、和其他哺乳动物,它们用这一现象来使得自己看起来更大一些,从而吓跑捕食者。 /201607/454223The ancient practice of yoga is undoubtedly a human invention - but these furry creatures prove that animals can get in on the action, too.瑜伽这项古老的运动无疑是人类的发明,但这些毛茸茸的生物明了动物也能做这种锻炼。Take a look as a bulldog, lemur, lion, sloth and even a polar bear give human yogis a run for their money.看看斗牛犬、狐猴、狮子、树懒、甚至是北极熊都来跟人类瑜伽大师一较高下。The resemblance between their poses and a few popular yoga poses - including the triangle, half lotus, plank and tree pose - is uncanny.它们的姿势和一些流行的瑜伽姿势——包括三角式、半莲花单腿独立伸展式、平板撑式和树式——有很多相似之处,真是令人难以置信。And while the spiritual context may be lost on them, these flexible furries sure appreciate a good stretch.虽然它们可能没有达到那种精神境界,但这些有弹性的毛茸茸的身体确实能好好放松一下。 /201609/464677福州治子宫粘连去那好

福州查女性不孕去那最好Over 80 percent of the world#39;s city dwellers breathe poor quality air, increasing their risk of lung cancer and other life-threatening diseases, a new World Health Organization (WHO) report warned last Thursday.联合国世界卫生组织于上周二发布的一份最新报告中警告称,全球超过80%的城市居住者呼吸到的空气品质不佳,这增加了居民罹患肺癌与其他致命疾病的风险。Urban residents in poor countries are by far the worst affected, the WHO said, noting that nearly every city (98 percent) in low- and middle-income countries has air which fails to meet the UN body#39;s standards. That number falls to 56 percent of cities in wealthier countries.据世界卫生组织表示,目前,贫穷国家的都市居住者面临的状况最糟。该报告指出,中低收入的国家几乎每座城市(98%)的空气质量都未达到联合国机构的标准。而富有国家的这一比例则降到了56%。;Urban air pollution continues to rise at an alarming rate, wreaking havoc on human health,; Maria Neira, the head of WHO#39;s department of public health and environment, said in a statement.世界卫生组织公共卫生与环境部门主任玛利亚·尼拉在一份声明中表示:“都市空气污染程度持续以惊人的速度增长,这对人体健康构成威胁。”The UN agency#39;s latest air pollution database reveals an overall deterioration of air in the planet#39;s cities, and highlights the growing risk of serious health conditions also including stroke and asthma.世界卫生组织最新的空气污染资料库显示,全球城市整体空气质量恶化,并强调居民罹患严重健康疾病如中风、气喘的风险也在增加。Tracking the prevalence of harmful pollutants like sulfate and black carbon, WHO found that air quality was generally improving in richer regions like Europe and North America, but worsening in developing regions, notably the Middle East and southeast Asia.通过追踪如硫酸盐、黑碳粒子等有害物质,世界卫生组织发现,富有区域如欧洲与北美的空气质量大致改善,但发展中地区的情况则趋向恶化,特别是中东与东南亚。Overall, contaminants in outdoor air caused more than 3 million premature deaths a year, the UN body said.世界卫生组织表示,整体而言,户外空气污染物质已导致每年超过300万人早死。The quality of air pollution data provided by individual countries varies considerably, and WHO does not compile a ranking of the world#39;s most polluted cities.由于各个国家提供空气污染数据的依据差别相当大,所以世界卫生组织并未对全球污染最严重的城市进行排名。But, in a sample of selected mega-cities with a population above 14 million, New Delhi was the most polluted, followed by Cairo and Bangladesh#39;s capital Dhaka. Beijing was listed the sixth most polluted city and Shanghai the seventh.不过,在挑选的城市人口超过140万的特大都市样本中,印度的新德里是污染最严重的,紧随其后的是埃及的开罗和孟加拉国的首都达卡。北京、上海分别排名第六和第七位。A sample of European data showed that Rome had slightly worse air than Berlin, followed by London and Madrid.而根据欧洲数据样本显示,污染最严重的城市依次是罗马、柏林、伦敦和马德里。 /201605/445263福州博爱医院检查封闭抗体费用 博爱医院人工授精怎么样

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