The human body is a scientific marvel. There are still new discoveries being made even now. The interesting thing is that although it is believed the human body is put together by a variety of organs that perform various different body functions and all of them are important for survival, there are certain organs that science is still not sure about. Certain organs, when removed, have had little to no effect on the normal functioning of the body; so it remains uncertain what they are in there for and why does the body need them.
Apart from the mysterious, there is also the bizarre. They say the body is a wonderland…it most definitely is! There are countless crazy functions and purposes to all the parts of a body. Discovering them will certainly make you wonder…what the!? Here are a few fun facts you probably don’t know about:
- Why do men have nipples? Because all men actually started off as women. The embryo is female. It then either remains female or goes on to develop as masculine.
- You once spent around half an hour as a single cell.
- Every hour humans shed about 600,000 particles of skin.
- Adults blink about 10 times a minute. Babies blink only once or twice a minute. And women blink twice as many times as men do.
- Your brain produces enough electricity to light a lightbulb when your awake.
- Just recently, in 2018, a new organ was discovered – the Interstitium. It is a series of fluid-filled compartments found beneath the skin and in the lining of organs like the lungs, blood vessels and muscles. An analysis published in the journal Scientific Reports says its function is believed to be that of a “shock absorber” for the body. They are still researching what other functions this organ may have.
- It is not possible to tickle yourself.
- You produce more earwax when you are scared.
- The adult body is made up of around 7,000,000,000,000,000,000,000,000,000 (7 octillion) atoms.
- You are shorter at night than you were in the morning by about 1cm.
- If stomach acid touched your skin it would burn right through it. It is strong enough to dissolve metal. It doesn’t destroy the stomach though because the stomach walls constantly renew themselves. Your stomach lining renews itself every 3-4 days.
- Everyone single persons tongue print is unique, like fingerprints.
- If a human being bites you it will almost always become infected if left untreated.
- Your fingers contain not a single muscle.
- Although it seems the appendix is useless, that it’s just a body part that lost its function millions of years ago, recent studies have found this is not true. It is actually an important organ as it is very useful to the bacteria that help your digestive system function. It’s like the getaway house for bacteria to escape the strain of the frenzied activity of the gut; it is somewhere for them to breed and therefore helps keep the gut’s bacterial inhabitants topped up.
- The cornea gets its oxygen directly from the air, not from blood. It is the only part of the body with no blood supply.
- Just three months after conception the embryo develops it’s fingerprints.
- In a half an hour the amount of body heat your body produces is enough to boil half a gallon of water.
- To take one step your body uses 200 muscles.
- Babies (300 bones) have 94 more bones than adults (206 bones).
- Goosebumps are the result of tiny muscles around the base of each hair tendering up and pulling the hair more erect. This occurrence is a remnant of our evolutionary predecessors and serves no real purpose for us now other than making our skin look funny. In ancient times (we had more hair), getting goosebumps when cold served the purpose of “fluffing up the coat” to get more air into it thus making it a better insulator. Getting goosebumps when we are scared or experience an emotive memory is a defensive condition. Similar to how mammals fluff up their fur when threatened, to look bigger and so more dangerous.
- Humans are bioluminescent but the light isn’t perceptible to the human eye.
- The inside of your stomach blushes when you blush.
- Teratomas are a kind of tumor that can grow their own teeth and hair.
- All the atoms that make up your body are mostly empty space. If you were to compress all the empty atomic space out, the actual mass of your body would fit into a cube less than 1/500th of a centimetre on each side. The void to solid ratio is comparable to the size of a fly in a cathedral.
- Your brain will begin to eat itself in cases of extreme starvation.
- Your heartbeat syncs to the rhythm of the music your listening to.
- You can’t swallow and breathe at the same time.
- Fifty percent of your hand strength surprisingly comes from your pinky finger.
- When you sit on a chair your body is not actually touching it because the atoms that make up matter never touch each other. The atoms are like magnets and the closer they get, the more repulsion there is between the electrical charges on their component parts. Therefore, when you sit on the chair your actually floating a tiny distance above, suspended by the repulsion between atoms. This electromagnetic force is billions of times stronger than the force of gravity. To understand this concept just put a magnet near a fridge and let go. The magnet will not fall to the floor. It will get pulled to and stick on the fridge because the electromagnetic force from the tiny magnet overwhelms the gravitational attraction of the whole Earth.
- Astronauts can grow up to two inches when in outer space.
- You are stardust. Components of your body such as hydrogen, carbon, and oxygen were produced in the big bang billions of years ago. The atoms that make up these elements were forged in stars and blasted across space when stars exploded.
- There is enough blood in your body to satisfy the appetites of 1,200,000 mosquitoes.
- The last of your senses to activate in the morning is your sense of smell.
- Your DNA includes the genes from at least eight retroviruses, meaning that not all your genes come from your evolutionary ancestors.
- Your body may have fought off cancer at some point in your life…or it will if it hasn’t.
- On average, a person produces enough saliva in their lifetime to fill two swimming pools.
- The human body is composed of ten times more bacteria cells than human cells. You actually need the bacteria to survive. Theoretically, it is possible for you to exist with no bacteria, but without the help of the enzymes in your gut that bacteria produce, you would need to eat food that is more loaded with nutrients than a typical diet.
- Humans can’t digest grass.
- Your tongue can get fat.
- The surface area of human lung’s are roughly the same as that of a tennis court.
- A passionate kiss causes the same chemical reactions to take place that bungee jumping does.
- Cornflakes contain more genes than humans do.
- Sex only burns about 3.6 calories a minute.
- Half of the population has eyelash mites. They are tiny creatures that live on old skin cells and the natural oil (sebum) produced by human hair follicles. These microscopic bugs spend most of their time right at the base of the hair where it meets the skin.
- The higher your IQ, the more you dream.
- The nail on your middle finger grows the fastest out of all the fingernails.
- The sound of your voice is shaped by your nose.
- The farthest thing the naked eye can see is the Andromeda galaxy at a distance of 2.5 million light years away. The crazy thing is, when those photons of light hitting your eye from that galaxy began their journey there were no human beings here on Earth yet. We were yet to evolve. What you are seeing is an almost inconceivable distance – you are actually looking back in time through 2.5m years.
- Your memory is affected by your body position so you’ll remember things differently when you’re standing to when you’re sitting.
- It is impossible to kill yourself by choking yourself with your own bare hands.
- The human feet can produce more than a pint of sweat a day through their 500,000 sweat glands.
- Nerve impulses are super quick traveling as fast as 170 miles per hour.
- Three hundred million of your body’s cells die every minute…And 300 billion new cells are created each day.
- The formation of your egg, and the half of your DNA that came from your mother, was formed when your mother was an embryo. Therefore, it happened even before your mother herself was born. So, in a way, you are as old as your mother’s age and your age combined.
- Over 90% of diseases are caused or aggravated by stress.
- On average, a person farts around 14 times per day.
- Germs from coughs travel at around 60 miles per hour so cover your mouth when you cough. Same goes for a sneeze which is able to travel even faster at over 100 miles per hour.
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