How can it be so mind-boggling?

怎麼會這麼讓人匪夷所思呢？

Oh, you thought I was talking about space or something?

哦，你以為我說的是太空還是什麼？

No, it's your own body and all its wonders.

不，是你自己的身體和所有的奇蹟。

Every single second, there are 100,000 chemical reactions going on in that big brain of yours.

每一秒鐘，都有10萬個化學反應在你的大腦中進行。

Breathing, blinking, moving muscles and controlling your body like a marionette.

呼吸、眨眼、活動肌肉，像木偶一樣控制身體。

Your brain stays busy around the clock.

你的大腦晝夜不停地忙碌著。

For such a complex machine, the human brain is mostly water, about 70%.

對於這樣一個複雜的機器，人的大腦大部分是水，大約70%。

That's why going without water is a more immediate problem than going without food.

所以沒有水比沒有食物更直接的問題。

The average person will grow 600 miles of hair in a lifetime.

一般人一生會長出600英里的頭髮。

That's about the distance from New York City to Dayton, Ohio.

這就是紐約市到俄亥俄州代頓市的距離。

It's a very hairy distance.

這是一個很毛的距離。

That pink, swishy looking membrane in the inner corner of your eye is a leftover from evolution.

你內眼角那層粉紅色的、看起來很唰唰的膜是進化過程中留下的。

It used to be 1/3 nick dictating eyelid.

以前是1/3缺口支配眼皮。

Many animals still have it like birds, reptiles and cats.

很多動物還是有的，比如鳥類、爬行類和貓類。

Goosebumps are also left over from evolution.

雞皮疙瘩也是進化後留下的。

They used to help our much hairier ancestors living in Dayton, Ohio, look bigger and scarier.

它們用來幫助我們住在俄亥俄州代頓的毛髮多的祖先，看起來更大更可怕。

Yes, just like how a cat's hair stands up on end when it feels it needs to protect itself or scare somebody away.

是的，就像貓咪覺得需要保護自己或嚇跑別人時，毛髮會豎起來一樣。

You can't burp in space.

你不能在太空中打嗝。

Really?

真的嗎？

Try it.

試試吧

I can't go to space.

我不能去太空。

Well, trust me burping happens when liquid separates from gas in the stomach and there's Only occurs thanks to gravity.

相信我，當胃裡的液體和氣體分離時，就會發生打嗝的現象，而這只是由於重力的作用。

The heart pumps blood at such a pressure that it could raise it up to the fourth floor of a building, and it takes 45 seconds for your blood to pump from your heart through your whole body and back to home base.

心臟泵送血液的壓力可以將血液提升到一棟樓的四樓，而你的血液從心臟泵送到全身，再回到主基地需要45秒。

It also pumps 2000 gallons of the stuff in a single day.

它還能在一天內抽出2000加侖的東西。

That's almost a CZ, much as a concrete mixer truck and whole information moves along nerves at about 200 miles per hour, getting from one place to another in a matter of milliseconds.

這幾乎是一個CZ，就像混凝土攪拌車一樣，整個資訊以每小時200英里左右的速度沿著神經移動，從一個地方到另一個地方只需要幾毫秒的時間。

And that's why you jerk your hand back so quickly when you accidentally touch that high pizza pan.

所以當你不小心碰到那個高高的披薩盤時，你才會這麼快把手抽回來。

Your brain has 86 billion nerve cells that joined to create 100 trillion connections for comparison.

你的大腦有860億個神經細胞，連接起來就會產生100萬億個連接，比較。

Our Milky Way galaxy contains on Lee about 300 billion stars.

我們的銀河系包含李上約3000億顆恆星。

The body's fastest muscles are in the eye, and the blink of an eye is about 1/10 of a second.

人體最快的肌肉在眼睛裡，眨眼的時間約為1/10秒。

You do that 20,000 times a day.

你每天要做兩萬次。

Adults may blink an average of 15 times a minute, but babies do it only once or twice a minute.

成人平均每分鐘可眨眼15次，但嬰兒每分鐘只眨一兩次。

The reason is still unknown to scientists.

科學家們至今還不知道原因。

Just don't challenge any babies to a staring contest.

只是不要挑戰任何寶寶的瞪眼比賽。

There are 250,000 sweat glands in your feet, and they produce about half of pine of sweat in a single day.

在你的腳上有25萬個汗腺，它們在一天內產生的汗液約佔汗液的一半松。

Do your feet smell?

你的腳臭嗎？

Actually, your nose does the smelling.

其實，你的鼻子才是聞的。

Your feet just stink.

你的腳很臭

A dog's sense of smell could be up to 100,000 times stronger than a human's, but you can still distinguish a trillion distinct odors.

狗的嗅覺可能比人的強10萬倍，但你仍然可以分辨出一萬億種不同的氣味。

Your body's natural smell is absolutely unique, except if you have a twin after birth, many babies have blue eyes that go darker with time.

你身體的自然氣味絕對是獨一無二的，除了出生後的雙胞胎，很多寶寶的眼睛是藍色的，隨著時間的推移，眼睛會越來越黑。

It's because the amount of melanin, the pigment that gives your eyes, hair and skin their color in the iris is gradually increases.

這是因為虹膜中賦予眼睛、頭髮和皮膚顏色的色素--黑色素的含量逐漸增加。

During the first couple years, newborn baby see the world in black and white and upside down thehe bility to distinguish colors and flip.

在最初的幾年裡，新生兒看到的世界是黑白顛倒的，他有能力分辨顏色和翻轉。

The picture on Lee comes later.

李先生的照片是後來才有的。

Their eyes might take some time to finish developing, but a baby's peepers are about the same size as an adult size.

他們的眼睛可能需要一些時間來完成發育，但嬰兒的眼睛和成人的大小差不多。

Your nose and ears never stop growing throughout your lifetime.

你的鼻子和耳朵一生都不會停止生長。

Sad but true.

悲哀但卻是事實。

Well, we have two nostrils.

嗯，我們有兩個鼻孔。

They don't work in the same way.

他們的工作方式不一樣。

In 85% of people air moves through one or the other, and this mazel cycle changes throughout the day.

在85%的人中，空氣通過一個或另一個移動，這個馬澤爾循環在一天中變化。

Blushing is caused by a burst of adrenaline, and when your cheeks blush, so does your stomach.

臉紅是由腎上腺素的爆發引起的，臉頰紅了，肚子也就紅了。

A person produces enough saliva in a lifetime to fill two swimming pools.

一個人一生產生的唾液足夠填滿兩個游泳池。

That's a spit load of saliva.

這是一個唾液負荷的口水。

The tongue consists of eight interwoven muscles.

舌頭由八塊交織的肌肉組成。

It's structures like an octopus is tentacle or an elephant's trump.

它的結構就像章魚是觸角或大象的王牌。

Despite common belief, the tongue is not the strongest muscle in the human body.

儘管人們普遍認為，舌頭並不是人體最強壯的肌肉。

That would be the jaw muscle.

那應該是下巴肌肉。

Ah, human bite equals £200 of force, much less than alligators and charts.

啊，人的咬合力等於200英鎊，比鱷魚和海圖少多了。

They go into the thousands of pounds of force, but it's still more than a Parana, just like your fingerprints.

他們的力氣大到幾千磅，但還是比帕拉納多，就像你的指紋一樣。

Tongue prints are unique for every individual, except for humans.

舌印對每個人來說都是獨一無二的，除了人類。

There's no other creature on earth that has a chin.

地球上沒有其他生物有下巴。

Even our eight cousins, like gorillas and chimpanzees, don't have one.

就連我們的八個表兄弟，比如大猩猩和黑猩猩，也沒有一個。

It's still a mystery for scientists.

對於科學家來說，這還是一個謎。

Why itself.

為什麼本身。

Well, where else would we put our beard?

那我們還能把鬍子放在哪裡呢？

Speaking of which, ever noticed how some men have brown hair but a red beard?

說到這裡，你有沒有注意到，為什麼有些男人的頭髮是棕色的，但鬍子是紅色的？

It's because they have one copy of the M C one RG.

因為他們有一份M C一份RG。

When a person has two copies of this gene, they're fully redheaded.

當一個人有兩個拷貝的這種基因時，他們就是完全的紅髮。

When you're listening to music, your heart starts beating in sync with the rhythm of a song.

當你在聽音樂的時候，你的心臟會隨著歌曲的節奏開始同步跳動。

That's why they say classical music is good for you.

所以他們說古典音樂對你有好處。

It makes your heart beat slower and steadies your nerves.

它能讓你的心跳變慢，穩定你的神經。

The human body contains enough blood vessels to wrap around the Earth four times without a pinky finger, your grip would only be half a strong, Though the small pinky seems to be the weakest one.

人體中的血管足以繞地球四圈，如果沒有小指，你的握力就只有一半，雖然小指似乎是最弱的一個。

It's the one that teams up the whole hand crew mess.

就是把整個手遊組亂七八糟的東西都組起來了。

Thes Asia is a phenomenon where people hear a sound and see a color with it.

Thes Asia是一種現象，人們聽到一種聲音，看到的是一種顏色。

Many famous musicians have had it.

很多著名的音樂人都有過這樣的經歷。

The cornea of the eye gets oxygen right from the air because there's no blood supply to it.

眼睛的角膜因為沒有血液供應，所以直接從空氣中獲取氧氣。

The fingernails on your dominant hand grow faster and your fingernails grow faster than your toenails.

你的優勢手的指甲長得比較快，你的手指甲比腳趾甲長得快。

It all has to do with how often you use a digit the more you use it, the faster it grows.

這一切都與你使用一位數字的頻率有關，你使用的次數越多，它的增長就越快。

Human fingertips are so sensitive they can feel ridges in an object, even when they're just 13 Nana meters deep.

人類的指尖非常敏感，即使只有13納米深，也能感覺到物體的脊線。

For comparison, a Nana meter is one millionth of a millimetre, and a millimeter is about the length of a grain of sand.

相比之下，納米是百萬分之一毫米，一毫米大約是一粒沙子的長度。

How touching?

有多感人？

According to recent research, the appendix isn't pointless at all.

根據最近的研究，盲腸並不是一點意義都沒有。

Scientists found that its stores good bacteria that have a positive effect on immune health.

科學家發現，其儲存的好細菌對免疫健康有積極作用。

Similar story with your tonsils and you can live without both.

你的扁桃體也有類似的故事，你可以不需要這兩樣東西。

An adult skeleton is composed of 206 bones, the strongest of which is the femur.

一個成年人的骨骼由206塊骨頭組成，其中最強壯的是股骨。

It can stand 30 times the weight of a person's body.

它可以承受30倍於人身體的重量。

Yet we're all born with 300 bones, some of them fused together as you age, even into early adulthood.

然而我們生來就有300根骨頭，隨著年齡的增長，有些骨頭會融合在一起，甚至到了成年初期。

If someone touches your middle toe while your eyes are closed, you probably wouldn't be able to tell which toe is being touched.

如果有人在你閉著眼睛的時候摸你的中趾，你可能就分不清是哪個腳趾被摸了。

Try it and let me know how it goes.

試試看，讓我知道效果如何。

Running and walking would be a challenge without a big toe.

如果沒有大腳趾，跑步和走路都會是一個挑戰。

It's the most important one, bearing 40% of the body's wake.

這是最重要的一個，承擔著身體40%的守候。

If you go into space, you can grow up to two inches taller.

如果你進入太空，你可以長高兩英寸。

You can thank zero gravity for expanding the disks in between each vertebra.

你可以感謝零重力讓每個椎體之間的椎間盤膨脹。

They get squished here on Earth.

他們在地球上被壓扁了。

While listening to this fact, 50,000 cells in your body were replaced with new ones.

在聽這個事實的時候，你身體裡的5萬個細胞被新的細胞取代了。

Seven.

七

Oct.

10月

Ilian is thehe mount of Adam's theat.

Ilian是Adam劇院的坐騎。

Average adult body is made up of that 8,000,000,000 or seven, followed by 27 zeros.

一般成年人的身體是由那8，000，000，000或7，然後是27個零組成的。

Tomatoes have 7000 more genes than humans.

番茄的基因比人類多7000個。

Just goes to show you more.

只是讓你多看看。

Doesn't always mean better.

並不總是意味著更好。

Maybe juicier.

也許是法官。

A caterpillar has more muscles than you do.

毛毛蟲的肌肉比你多。

While we have about 650 they have 4000 again.

而我們有650人左右，他們又有4000人。

Strength isn't always in numbers.

實力並不總是在數量上。

Human sweat is actually odorless.

人的汗液其實是沒有氣味的。

It's the bacteria on your skin that interacts with the sweat and produces that smell.

是皮膚上的細菌與汗液相互作用，產生了這種氣味。

Every person has the same number of fat cells, no matter how thin or plump they are.

每個人的脂肪細胞數量都是一樣的，不管是多瘦還是多豐滿。

These cells just get bigger or smaller, and you can't get rid of them with diet and exercise.

這些細胞只是變大或變小，你無法通過飲食和運動來消除它們。

Humans have the same number of hairs on their body as chimps do.

人類和黑猩猩身上的毛髮數量相同。

Good thing.

好事。

Most of ours heir to fine and light to be seen.

我們的大多數繼承人細而輕的被看見。

So a thicker natural coat would be nice and winter, especially in Dayton.

所以，厚一點的天然大衣會很好，冬天，尤其是在代頓。

Anyway.

總之...

If you learn something new today, then give the video alike and share with a friend.

如果你今天學到了新的知識，那就把視頻給一樣，分享給朋友吧。

And here are some other cool videos I think he'll enjoy.

這裡還有一些其他很酷的視頻，我想他會喜歡。

Just click to the left or right, and remember, stay on the bright side of life.

只需向左或向右點擊，記住，保持生活的光明面。