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李沧区人民医院在线回答健步养生青岛无痛取胚术哪家好

2019年07月18日 11:33:50    日报  参与评论()人

市南区人民医院等级青岛市新阳光医院四维彩超预约So we have cooking and we have small guts.正是因为烹饪技术 人类才有了小肠道This freed up energy for us to develop这些多余的能量what is arguably the most important organ in our body...使我们身体最重要的一个器官 得以发展the organ which, many would say, makes us human.普遍认为 正是这一器官的发展造就了人类Our brain.那就是我们的大脑The small gut big brain theory was developed小胃大脑理论是由by paleoanthropologist Professor Peter Wheeler.古人类学教授彼得·韦勒提出的We think that the smaller digestive system我们认为 正是食物的转变in Homo erectus was able to evolve because of the shift in diet,使直立人的消化系统得以进化freed up energy which could be used to power a larger brain.这些多余的能量可以增强我们的脑力And this is what we see,我们可以看到the increase in brain size in Homo erectus直立人肠胃变小的同时mirroring the reduction in the size of its gut.脑部也开始变大And it certainly does take a lot of energy to power our brains.要增强我们的脑力 肯定得消耗很多能量Although only 2.5% of our body weight,尽管大脑重量只占体重的2.5%when were sitting, our brain consumes 20% of our energy.即使坐着不动 脑部也会消耗我们20%的能量201506/378431山东省青岛市五院简介 Almost all animals with a spine yawn.Penguins do it as a mating ritual,snakes do it to realign their jaws after a meal and guinea pigs do it to display anger,So why exactly do humans yawn?And is yawning actually contagious?If you havent aly checked out our yawn-o-meter ,click here or use the link in the description to see how long you can last before yawning.几乎所有的有脊椎动物都会打哈欠。企鹅以此为求偶仪式 餐后蛇籍此来整理下颌 荷兰猪借此表达愤怒。那么人为什么要打哈欠呢?哈欠有传染性吗?如果你还没看过“哈欠耐力测试”这个视频,看看视频描述里的链接 看看你能坚持多久。If you are anything like us,you may have even yawned at the title of this .The truth is:the first time you yawned was likely as a fetus.Babies begin to yawn during the second trimester and though the reason why still unknown,it may have to do with proper brain development.In adults,yawns were commonly thought to draw more exygens into the lungs making you feel less tired,but new researches states that this may not be the case.如果你和我们一样,看到视频名字时可能就已经打哈欠了。其实 你第一次打哈欠应该是在胎儿时期。婴儿会在3-6月开始打哈欠,尽管原因尚不明了,但这可能和大脑发育有关。而成人打哈欠常被认为是要向肺部充入更多氧气,来缓解疲劳,不过,新研究却另有其词。Scientists now believe that yawning has developed a way of physiologically cooling your brain.Much like a computer,you brain work best at a certain temperature,and tries to avoid overheating.And it turns out,yawning increases your heart rate,blood flow and the use of muscles in your face,which are all essential to cool your brain.科学家认为,打哈欠是在通过生理的方式给大脑降温。和电脑一样,人脑也有特定的最佳工作温度,并且也会防止自身过热。事实上 打哈欠可以提升心率、血液流速、并动用脸上的肌肉。它对大脑降温来说都是必不可少的。On top of that,deeply inhaling cold air can alter the temperature of the blood in our head.But,why is your brain hot in the first place?Well,both exhaustion and sleep deprivation are known to increase overall brain temperature,which explains why yawning occurs more in these states.更重要的是,深呼吸冷空气 可以调整大脑内血液温度。不过,大脑原先怎么会过热呢?身心疲惫和睡眠缺乏都会导致大脑温度升高,这就解释了为什么这些情况下人更爱打哈欠。Researchers have even found participants who place warm packs on their heads yawn 41% of the time while watching others yawn,as opposed to 9% with a cold pack on their head,So if your head is aly cold,you will yawn less.But,what about contagious,or social yawning?Humans,primates,and even dogs finding yawning contagious and its most likely linked to empathy.Contagious yawning begins in children around the age of 4-5,and this is when empathetic behavior,along with the ability to identifying emotions,begin to develop.研究者发现,头上放了热水袋的参与者 在看其他 人打哈欠时 有41%的时候也会打哈欠,而头上放了冷水袋的只有9%。因此 大脑越“冷静” 哈欠就越少。不过 受他人传染的哈欠是怎么回事?人类 灵长类 甚至犬类都会被传染打哈欠 这很可能与“共情”有关。儿童在4-5岁的时候开始被哈欠传染,同一时期 同情性行为,以及辨识情绪的能力开始逐渐发育。In fact,children with empathy related disorders,such as autism,yawn less and response to s of people yawning comparing to other children.Research also suggest that you are more likely to copy the yawn of someone socially or genetically close to you.Even dogs are more likely to copy the yawns of their owner as opposed to the yawn of a stranger.事实上,患有与共情相关疾病的儿童,如自闭症,在观看打哈欠视频的时候 比其他孩子打哈欠更少。研究表明 当身边有亲人或者朋友打哈欠时 你更容易被传染。甚至相对于陌生人 更容易受主人哈欠的传染。Finally,mirror neurons also play a role,In our brain,mirror neuron fire when we perform a specific action view someone else doing the action,or even just hear someone talk about the action.They are important brain cells that are used for learning,self-awareness,and relating to others,When we view someone else yawn,the mirror neurons in our brain become activated in a similar way,and as a result we copy the yawn.最后,镜像神经元对此也有功劳。在我们大脑内 镜像神经元会在我们看到他人 做出特定动作时产生冲动,甚至仅在听别人说到动作时也会。它们是重要的脑神经细胞 作用于学习,自我意识,以及于他人相处。当我们看到其他人打哈欠时,大脑内的镜像神经元 进入类似的活跃状态 使得我们被传染 打了哈欠。So although yawning may occur in people who are literally hot-headed,contagious yawning allows us to be cool with the people around us.因此,头脑发热的人可能会打哈欠,传染性的哈欠也是让我们与周围的人冷静相处。201502/358711栏目简介:《英语学习入门视频》是英语视频听力下面的子栏目,栏目内容适合刚刚接触英语学习不久的童鞋学习。视频内容比较简单易懂,是入门英语知识的基础,有助于帮助英语学习爱好者逐步掌握基本的英语知识。201509/399240莱阳妇幼保健院治疗宫颈糜烂多少钱

山东省青岛市二院是医保定点医院吗青岛市市立医院官网 S.Korea celebrates 62nd anniversary of armistice韩国民众庆祝停战62周年South Korea is marking the 62nd anniversary of the signing of the armistice that ended the Korean War.韩国纪念朝鲜战争结束、停战协定签署62周年。South Korean Prime Minister Hwang Kyo-ahn delivered a speech on Monday pressing the Democratic Peoples Republic of Korea to abandon its nuclear weapons program.周一韩国总理黄教安发表讲话敦促朝鲜民主主义人民共和国放弃核武器计划。He called on Pyongyang to work together with South Korea for co-prosperity.他呼吁平壤与韩国共同合作走向繁荣。 译文属201507/388770青岛做人流哪家好点多少钱

青岛超导无痛人流多少钱请观看这些偶像人物在18分钟以内的TED演讲吧。201508/395321 You all have big biceps, on the right arms.你们的右臂上的二头肌都很发达Because you spent half of your lives因为你们用大半生scoring tons of chalk dust, across miles of blackboard.走过成里的黑板 制造了成吨的粉笔灰I...Dont do that.I have something magic and wonderful to tell you about.而我...不那么做 我有一个神奇的美妙的东西要告诉你们Its fast, its vigorous,and you dont need big muscles. Its called topology.它很快 很有活力 而且无需你们有发达的二头肌 它是拓扑学Pictures, not equations.And nothing moves faster than light.研究图形 而不是方程 光是最快的Under 186,000 miles per second, light is the fastest,秒速低于186000英里 光速是最快的easily fast enough to overcome the gravity pull of,它的速度让它轻松地克了重力的拉力say, the sun,or the Earth, and escaped.而脱离了太阳 和地球 跑了出去The speed is high enough to get away from the gravity pulling it back.它的速度快到 能摆脱拉住它的重力What if the sun...were more concentrated?What if the sun were collapsed?如果太阳...密度再高一点呢 如果太阳坍圮了呢The density becomes huge, the gravity pull enormous.密度变得极高 重力极大And now nothing could stop gravity pulling everything in - even light.重力将不可阻挡 把一切拉向里 甚至光A singularity forms.What is singularity?奇点就形成了 奇点是什么呢A singularity is a place where matter, light, space...Time.Everything.奇点是一个地方 所有物质 光 空间 时间 一切201512/417412青岛怀孕检查多少钱青岛青医附院不孕不育科

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