Name: 55 Quick Body Facts That Will Make Your Jaw Drop
Uploaded: 2020-03-23T08:50:03.000Z
Duration: 10 min 14 s
Description: Thousands of YouTube videos with English-Chinese subtitles! Now you can learn to understand native speakers, expand your vocabulary, and improve your pronunciation...

Quick question: do you think you know everything about your own body?

How about the fact that 25% of an adult's bones are in their feet?

Or that taste buds aren't actually those bumps on your tongue?

No, we’re really not going to open up someone’s eyes—we don’t do surgery here on the Bright

Your stomach gets a new lining every 3 to 4 days!

This way, your body prevents the stomach from digesting itself!

Your brain contains more than 86 billion nerve cells which are joined with one another by

That's many more than the number of stars in our home Milky Way Galaxy!

By the way, if you decided to count all those numerous nerve cells in your brain, it would

Your fingernails grow faster on your dominant hand - in other words, if you write with your

right hand, you'll have to trim those nails more often.

Your fingernails also grow faster in the summer and during the day.

When your brain sends messages to different parts of your body, the signals travel along

People spend more than 4 years of their lives eating.

The fastest muscles in your body are those that make your eyes blink.

Their contraction speed is one blink in less than one-hundredth of a second!

In a day, you can blink more than 15,000 times!

In their lifetime, the average person processes more than 100,000 pounds of food - that's

more than the weight of 7 elephants combined!

If someone decided to uncoil the human DNA, the whole thing would stretch for 10 billion

miles, which is 40,000 times more than the distance between Earth and the Moon!

If you don't have insomnia, you're likely to spend around one-third of your life asleep.

But there are creatures that sleep even more: for example, for a dog, this time is 44% of

During just one day, all the blood in your body travels more than 12,000 miles.

That's half as long as the distance around Earth!

Your skeleton will renew itself completely within 10 years.

An adult uses around 200 muscles to make just one step!

(And don't tell me I don't work out enough!)

Every minute, your body sheds more than 3,000 skin cells.

It's almost 200,000 skin cells per hour and more than 9 pounds per year!

But don't worry: you still have about 300 million skin cells at any given moment.

Plus, your skin completely renews itself every 28-30 days.

The liver is the only human organ that can regenerate completely.

As little as 25% of the original liver weight can get back to its full size.

Skin cells create a lot of dust not only under your bed but also in the Earth's atmosphere!

If someone collected all the flaked-off skin cells floating in the air, this dust would

weigh up to a billion tons - it's 150 times the weight of the Great Pyramid!

You won't be able to see your taste buds by the naked eye because they're too tiny.

The small bumps most people take for taste buds are called papillae.

Real taste buds are on top of these hair-like projections.

By the way, taste buds also have a very short life cycle.

They live for no longer than 10 to 14 days.

The average person has more than 100,000 hairs on their head.

And since this hair grows about 6 inches per year, it'll make more than 40 ft in a lifetime!

Some people can hear their eyeballs moving inside the eye sockets.

Unlike other parts of your body, your ears and nose never stop growing!

Your skin wrinkles if you stay in the water for too long, but not because it absorbs water.

When your body's wet, wrinkled fingers and toes provide you with a better grip!

You know, like when the treads on your car tires grip the road better when they're new?

They can distinguish between 10 million different colors!

Your brain uses more than 20% of your body's energy even when you're resting.

When you're asleep, it still consumes almost as much power as when you're awake!

It also burns around 330 calories per day at that!

An adult person has about 25% of all their bones in the feet.

Most of them are tiny but crucial - if these bones are out of alignment, so is the rest