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.
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00:00 So get this, if someone managed to uncoil all the DNA in the human body, it would stretch
00:06 out to around 10 billion miles.
00:09 Hey, do the math!
00:10 That's twice the distance from Earth to Pluto.
00:13 And that's not the only awesome thing our body is capable of.
00:17 Trillions of nerve connections are powering your memory non-stop.
00:21 According to studies, after looking at 2,500 images for a mere 3 seconds, most people can
00:27 recall if they have seen these pictures with 92% accuracy.
00:33 Your body glows, emitting tiny amounts of barely visible light.
00:37 This glow is the product of biochemical reactions going on inside your organism.
00:42 The light waxes and wanes throughout the day, but even though it is visible, you can't
00:46 detect it with the unaided eye.
00:50 From 1 to 6 pounds of your body weight is made up of bacteria.
00:54 Anything from 100 million to 1 billion bacteria can live on just one tooth in your mouth.
01:00 So please brush.
01:01 It's impossible to taste your food without saliva.
01:05 All because the chemicals in your food must be dissolved in saliva before they get detected
01:09 by your taste buds.
01:12 Even though it sounds like a myth, eating too many carrots can indeed turn your skin
01:16 orange.
01:18 Carrots have high amounts of beta-carotene.
01:20 That's a compound that can cause carotanemia.
01:23 If you have too much of this compound in your bloodstream, it'll hold onto parts of your
01:27 body with thicker skin.
01:28 I'm talking about the soles of your feet, your knees, elbows, palms, and even certain
01:33 areas around your nose.
01:36 But worry not, this condition is not dangerous.
01:38 You can easily reverse it by decreasing the amount of beta-carotene-filled food you consume.
01:45 The chin muscles, scientifically known as the mentalis muscles, look pretty quirky,
01:50 giving us mixed feelings.
01:52 Just look at these creepy tiny tentacles.
01:54 And still, they make it possible for us to create all kinds of facial expressions that
01:58 involve the lips, chin, and cheeks.
02:01 And yes, they are the culprits behind those weird wrinkles and crevices on the skin of
02:06 your chinny-chin-chin.
02:08 All because these muscles don't pull on themselves, but yank on the skin.
02:13 People can live without some organs, leading a normal life.
02:16 The human body consists of singular organs and those that come in pairs.
02:21 And speaking of the latter, you'll only need one of those to survive.
02:25 Your small intestine is actually not so small.
02:27 It's taller than you, measuring around 23 feet.
02:32 The cornea, that transparent front cover on your eyes, doesn't have any blood supply.
02:37 Instead, it receives oxygen directly from the air.
02:41 Human beings develop their unique fingerprints very early in life, while they're still
02:45 embryos, just 3 months after being conceived.
02:49 By the way, even if fingerprints get badly damaged, they tend to grow back to their original
02:53 pattern.
02:55 All people are born with a diving reflex.
02:58 It can get activated and shut bodily functions if one is drowning or is submerged in the
03:02 water.
03:04 The human brain is by no means smooth.
03:07 But if you decided to flatten all those wrinkles covering it, the brain would be the size of
03:11 a pillowcase.
03:12 But not as useful.
03:14 Newborn babies only blink once or twice in a minute.
03:18 For comparison, a grown-up person blinks at least 10 times within the same time.
03:23 Our lungs are the only organs that can float on the water.
03:26 All because they're made up of around 300 million balloon-like structures called alveoli.
03:31 Also, even if we're perfectly healthy, our lungs are never completely germ-free or sterile.
03:38 Your nose is a superhero.
03:40 It's your very own heater, filter, and humidifier.
03:44 This organ is lined with tiny bone-like shelves called turbinates.
03:47 They contain blood vessels capable of heating the air and goblet cells that can help humidify
03:52 the air.
03:53 Also, the air you breathe gets filtered in your nose before going further to your lungs.
03:58 Now, every time you eat something, your esophagus – the organ your food travels through to
04:04 reach the stomach – moves in a series of wave-like contractions, pushing the food forward.
04:09 This is known as peristalsis.
04:11 There's a bond between your digestive system and your brain – the gut-brain axis.
04:17 This is why stress or brain issues can affect the way your body digests food.
04:22 Now, even though hiccups are typically harmless and resolve by themselves after a couple of
04:27 minutes, they aren't exactly pleasant.
04:29 So you should probably know that they might occur because of changes in temperature.
04:35 The density of your brain increases throughout your whole life.
04:38 All because new neural connections pop up.
04:41 They appear because the structure of the brain keeps changing too.
04:45 If you don't want to sneeze, press the skin on the bridge of your nose with your fingers.
04:50 When you do it, your brain receives an alarm signal.
04:53 Very quickly, it puts the brake on all those other processes, including the sneezing reflex.
04:58 By the way, studies have found that sneezing is your nose's way to reset.
05:03 A sneeze reboots the cells that line the inside of your nose.
05:07 They're called cilia.
05:09 The part of your brain that's responsible for vision is in the back of your head.
05:14 Interestingly, the right side of your brain controls the vision on the left side, and
05:18 vice versa.
05:20 If you're in some loud place, for example, in a club or at a concert, close your ears
05:25 to better hear your friends.
05:27 Push the tragus, which is that pointy skin-covered cartilage in front of the ear canal, into
05:32 your ear.
05:33 Then, turn this ear toward your friend.
05:37 On average, when a person snores, the sound doesn't get louder than 60 decibels.
05:41 That's as loud as a regular conversation.
05:44 But sometimes, the noise level can reach 80 decibels.
05:47 That's as loud as a working food blender.
05:51 Just like salamanders regrow their tails, humans might be able to regenerate cartilage.
05:56 That's the rubber-like stuff surrounding your joints.
05:59 Scientists have recently discovered that cartilage could repair itself.
06:03 This process is likely to be the most effective at the ankle, not that effective in the knee,
06:08 and the least effective in the hip.
06:10 Now, if a person has asnosmia, which is also called smell blindness, they don't distinguish
06:16 and detect smells.
06:19 Your eyes never stop moving while taking in visual information.
06:22 Otherwise, you wouldn't be able to see the whole picture.
06:26 These movements go unnoticed because your brain is a great video editor.
06:30 It stabilizes the images and connects tons of fragments into one smooth video.
06:36 The liver is the only human organ that can regenerate completely.
06:40 Even if it's a mere 25% of the original liver weight, the organ can get back to its
06:45 full size.
06:48 Your mouth burns when you're snacking on pineapple because while you're eating this
06:52 fruit, it's eating you back.
06:54 Well, kind of.
06:55 Pineapple is the only known food that contains bromelain.
06:58 That's an enzyme that breaks down proteins.
07:01 Luckily, your stomach acid knows how to deal with the offending enzyme.
07:06 We also have bacteria that can produce electricity living in our intestines.
07:10 These bacteria give off electrons, which creates tiny electrical currents.
07:15 This might be the bacteria's way to generate energy.
07:19 Deja vu might actually be something like a brain processing lag.
07:26 There's a theory claiming that it might happen when your brain is moving information from
07:30 one part to another.
07:32 If there's even the tiniest delay in that process, your brain will get the same information
07:36 twice.
07:37 In this case, it'll process it as an event that happened before.
07:42 The DEC2 gene mutation allows people to have just a few hours of sleep a night and still
07:47 feel great.
07:48 They don't get tired and never sleep in.
07:51 On average, such people wake up at 4 or 5 a.m.
07:55 No more than 5% of the world's population has this feature.
08:00 Your ears might pop or even hurt when you're on an airplane.
08:04 You can solve this problem by simply chewing some gum.
08:07 This opens up your eustachian tube.
08:09 That's a small passage that connects your throat and your middle ear.
08:13 Opening this passage helps equalize the pressure in your ears and puts an end to the popping.
08:18 You can also yawn to open up the eustachian tubes.
08:22 Your feet are likely to become bigger with time.
08:24 Just like your nose.
08:25 And your ears.
08:26 You see, when people grow older, ligaments and tendons in their feet weaken.
08:31 This makes the arches flatter, and the feet become wider and longer.
08:37 That's it for today!
08:38 So, hey, if you pacified your curiosity, then give the video a like and share it with your
08:42 friends!
08:43 Or, if you want more, just click on these videos and stay on the Bright Side!