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  • Your body is made up of many atoms,

  • around 7 octillion to be exact.

  • These make up the 37 trillion cells in your body, which are actually much younger than you think.

  • The cells that lie in your stomach regenerate every 5 days,

  • which makes sense as stomach acid can dissolve metal.

  • Your skin's outer layer, known as the epidermis, is shed every two to four weeks,

  • meaning after one year you'll shed roughly 0.7 kilograms of dead skin,

  • and only some cells have been with you your entire life

  • those of the inner lens of the eye, the muscle cells of the heart and the neurons of the cerebral cortex in your brain

  • which is largely responsible for your memory.

  • And while the brain may seem small, all those wrinkles are for a good reason.

  • Spread it all out, and the brain would be about the size of a pillowcase!

  • which is great for the trillion nerves powering your memory.

  • In fact, studies have shown that after viewing 2,500 images for only 3 seconds,

  • participants could recall if they had seen one of the images with 92% accuracy.

  • Don't believe your eyes? Maybe it's because you spend 10% of the day blinking

  • but they can actually distinguish between 2.3 to 7.5 million colors.

  • Your nose is able to discriminate between 1 trillion different smells

  • meanwhile your fingers can feel a ridge as small as 13 nanometers in size.

  • That's 7500 times smaller than the diameter of a human hair.

  • And while you may not think much of your pinky finger, without it, you'd lose 50% of your hands strength.

  • Sure, the index and middle finger are essential to help pinch and grab with the thumb,

  • but it's your ring and pinky finger that give your hand power.

  • Now clasp one hand into the other - that's roughly the size of your heart!

  • It beats 100,000 times per day, pumping 5.5 litres with each pulse, which is close to 3 million litres of blood every year.

  • If you live to 75, it would fill 90 Olympic size swimming pools.

  • When it's all setting down, human decomposition begins around 4 minutes after death.

  • This process is known as self-digestion, in which your enzymes and bacteria eat you away.

  • In fact, three to five pounds of your body is made up of bacteria.

  • In an unclean mouth alone, 100 million to 1 billion bacteria can grow on each tooth,

  • with 32 teeth each, some of us have more bacteria in our mouth than there are people in the world.

  • If that leaves you weak in the knees, don't worry, your bones are incredibly strong.

  • When testing compression strength for a rate of 1 second, an 83-kilogram person with US shoe size 11 could have 16,000 people stand on their bone at once.

  • That is of course, if there was a enough room.

  • And from the bones of our ancestors, we can extract DNA to learn about them.

  • But if we were to take all of your DNA from your entire body and uncoil it,

  • it would be stretch about 10 billion miles, which is from here to Pluto and back.

  • And if you took all of your veins, capillaries and arteries, and laid them end to end... you'd die.

  • So... don't do that.

  • Got a burning question you want answered?

  • Ask it in the comments or on Facebook and Twitter.

  • And if you want the inside scoop on upcoming episode ideas and behind-the-scenes,

  • check out our personal instagram and Twitter handles.

Your body is made up of many atoms,

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Why Your Body Is AMAZING!

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    Pi-Chien Hu posted on 2015/12/20
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