Body Facts So Crazy, You Gotta Share Them with Your BFF

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If you're ready to have your mind blown, you've gotta check out this video about body facts that are so crazy, you'll want to share them with your BFF ASAP! Seriously, it's like discovering a whole new world of weird and wonderful things about your own body. From bizarre quirks to mind-boggling abilities, this video covers it all. Trust me, you won't believe some of the stuff you're about to learn—it's like unlocking the secrets of the human body! So grab your bestie, get comfy, and prepare to be amazed by the fascinating world within you.

Transcript

00:00So get this. If someone managed to uncoil all the DNA in the human body, it would stretch out to around 10 billion miles.

00:09Hey, do the math. That's twice the distance from Earth to Pluto.

00:12And that's not the only awesome thing our body is capable of.

00:17Trillions of nerve connections are powering your memory non-stop.

00:20According to studies, after looking at 2,500 images for a mere 3 seconds,

00:26most people can recall if they have seen these pictures with 92% accuracy. Wow.

00:32Your body glows, emitting tiny amounts of barely visible light.

00:37This glow is the product of biochemical reactions going on inside your organism.

00:41The light waxes and wanes throughout the day.

00:44But even though it is visible, you can't detect it with the unaided eye.

00:49From 1 to 6 pounds of your body weight is made up of bacteria.

00:53And from 100 million to 1 billion bacteria can live on just one tooth in your mouth.

00:59So please brush.

01:02It's impossible to take your food without saliva.

01:05All because the chemicals in your food must be dissolved in saliva before they get detected by your taste buds.

01:11Even though it sounds like a myth, eating too many carrots can indeed turn your skin orange.

01:17Carrots have high amounts of beta-carotene.

01:19That's a compound that can cause keratinemia.

01:23If you have too much of this compound in your bloodstream, it'll hold on to parts of your body with thicker skin.

01:28I'm talking about the soles of your feet, your knees, elbows, palms, and even certain areas around your nose.

01:35But worry not, this condition is not dangerous.

01:38You can easily reverse it by decreasing the amount of beta-carotene-filled foods you consume.

01:43The chin muscles, scientifically known as the mentalis muscles, look pretty quirky, giving us mixed feelings.

01:51Just look at these creepy tiny tentacles.

01:54And still, they make it possible for us to create all kinds of facial expressions that involve the lips, chin, and cheeks.

02:01And yes, they are the culprits behind those weird wrinkles and crevices on the skin of your chinny-chin chin.

02:07All because these muscles don't pull on themselves, but yank on the skin.

02:13Now, people can live without some organs, leading a normal life.

02:16The human body consists of singular organs and those that come in pairs.

02:20And speaking of the latter, you only need one of those to survive.

02:25Your small intestine is actually not so small.

02:27It's taller than you, measuring around 23 feet.

02:30Now, the cornea, that transparent front cover on your eyes, doesn't have any blood supply.

02:37Instead, it receives oxygen directly from the air.

02:41Human beings develop their unique fingerprints very early in life, while they're still embryos, just three months after being conceived.

02:48By the way, even if fingerprints get badly damaged, they tend to grow back to their original pattern.

02:55All people are born with a diving reflex.

02:57It can get activated and shut bodily functions if one is drowning or is submerged in the water.

03:04The human brain is by no means smooth.

03:07But if you decided to flatten all those wrinkles covering it, the brain would be the size of a pillowcase.

03:12But not as useful.

03:14Newborn babies only blink once or twice in a minute.

03:18For comparison, a grown-up person blinks at least 10 times within the same time.

03:23Our lungs are the only organs that can float on the water.

03:26All because they're made up of around 300 million balloon-like structures called alveoli.

03:31Also, even if we're perfectly healthy, our lungs are never completely germ-free or sterile.

03:38Your nose is a superhero.

03:40It's your very own heater, filter, and humidifier.

03:43This organ is lined with tiny bone-like shells called turbinates.

03:47They contain blood vessels capable of heating the air and goblet cells that can help humidify the air.

03:53Also, the air you breathe gets filtered in your nose before going further to your lungs.

03:59Now, every time you eat something, your esophagus, the organ your food travels through to reach the stomach,

04:05moves in a series of wave-like contractions, pushing the food forward.

04:09This is known as peristalsis.

04:12There's a bond between your digestive system and your brain, the gut-brain axis.

04:17This is why stress or brain issues can affect the way your body digests food.

04:22Now, even though hiccups are typically harmless and resolved by themselves after a couple of minutes,

04:27they aren't exactly pleasant.

04:29So, you should probably know that they might occur because of changes in temperature.

04:34The density of your brain increases throughout your whole life.

04:38All because new neural connections pop up.

04:41They appear because the structure of the brain keeps changing too.

04:44If you don't want to sneeze, press the skin on the bridge of your nose with your fingers.

04:50When you do it, your brain receives an alarm signal.

04:53Very quickly, it puts the brake on all those other processes, including the sneezing reflex.

04:58By the way, studies have found that sneezing is your nose's way to reset.

05:03A sneeze reboots the cells that line the inside of your nose.

05:07They're called cilia.

05:08The part of your brain that's responsible for vision is in the back of your head.

05:14Interestingly, the right side of your brain controls the vision on the left side, and vice versa.

05:20If you're in some loud place, for example, in a club or at a concert,

05:24close your ears to better hear your friends.

05:27Push the tragus, which is that pointy skin-covered cartilage in front of the ear canal,

05:32into your ear.

05:33Then, turn this ear toward your friend.

05:35On average, when a person snores, the sound doesn't get louder than 60 decibels.

05:41That's as loud as a regular conversation.

05:44But sometimes, the noise level can reach 80 decibels.

05:47That's as loud as a working food blender.

05:51Just like salamanders regrow their tails, humans might be able to regenerate cartilage.

05:56That's the rubber-like stuff surrounding your joints.

05:59Scientists have recently discovered that cartilage could repair itself.

06:02This process is likely to be the most effective at the ankle,

06:06not that effective in the knee, and the least effective in the hip.

06:11Now, if a person has asnosmia, which is also called smell blindness,

06:15they don't distinguish and detect smells.

06:18Your eyes never stop moving while taking in visual information.

06:22Otherwise, you wouldn't be able to see the whole picture.

06:25These movements go unnoticed because your brain is a great video editor.

06:30It stabilizes the images and connects tons of fragments into one smooth video.

06:36The liver is the only human organ that can regenerate completely.

06:40Even if it's a mere 25% of the original liver weight,

06:43the organ can get back to its full size.

06:46Your mouth burns when you're snacking on pineapple,

06:50because while you're eating this fruit, it's eating you back.

06:54Well, kind of.

06:55Pineapple is the only known food that contains bromelain.

06:58That's an enzyme that breaks down proteins.

07:01Luckily, your stomach acid knows how to deal with the offending enzyme.

07:05Now, we also have bacteria that can produce electricity living in our intestines.

07:10These bacteria give off electrons, which creates tiny electrical currents.

07:14This might be the bacteria's way to generate energy.

07:19Deja vu might actually be something like a brain processing lab.

07:25There's a theory claiming that it might happen

07:27when your brain is moving information from one part to another.

07:32If there's even the tiniest delay in that process,

07:34your brain will get the same information twice.

07:37In this case, it'll process it as an event that happened before.

07:41The DEC2 gene mutation allows people to have just a few hours of sleep a night

07:46and still feel great.

07:48They don't get tired and never sleep in.

07:51On average, such people wake up at 4 or 5 a.m.

07:54No more than 5% of the world's population has this feature.

07:58Your ears might pop or even hurt when you're on an airplane.

08:03You can solve this problem by simply chewing some gum.

08:07This opens up your eustachian tube.

08:09That's a small passage that connects your throat and your middle ear.

08:13Opening this passage helps equalize the pressure in your ears

08:16and puts an end to the popping.

08:18You can also yawn to open up the eustachian tubes.

08:20Your feet are likely to become bigger with time.

08:24Just like your nose.

08:25And your ears.

08:27You see, when people grow older,

08:28ligaments and tendons in their feet weaken.

08:31This makes the arches flatter

08:32and the feet become wider and longer.

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