100 Amazing Facts About The Human Body

The human body is an amazing structure, but even though we spend most of the time by ourselves, there are still plenty of things that you probably don’t know about your body. Don’t forget to share the article because we’ve compiled a huge list of 100 amazing facts about the human body.

  • Human Body skin is completely replaced near-about 1,000 times during a person’s lifetime.
  • Your brain generates more electrical impulses in a day than all the telephones of the world combined.
  • While you were reading this sentence, 50,000 cells in your body died and were replaced by new ones.
  • The only part of the body that has absolutely no blood supply is the cornea of your eye. It gains oxygen directly from the air.
  • Your heart pumps 182 million liters of blood during the average lifetime.
  • The human brain has a memory capacity pretty similar to or more than four terabytes on a hard drive.
  • The human embryo makes fingerprints within three months of conception.
  • A newborn child can easily breathe and swallow at the same time for up to seven months.
  • The human skull is made up of 29 different bones.
  • Nerve impulses sent from the brain move at a very high speed of a speed of 274 km/h.
  • The average human body contains enough Sulphur to destroy all the fleas on the average dog, enough Potassium to fire a toy cannon, enough Carbon to make 900 pencils, enough fat to make seven bars of soap and enough water to fill a 50-liter barrel.
  • Women’s hearts beat faster than men.
  • Human Beings have tiny mites living in our eyelashes.
  • Right-handed people live, on average, 9 years longer than left-handed people.
  • Human skin is its thickest on the feet (1.4mm) and thinnest on the eyelids (0.2mm).
  • Babies blink only once or twice a minute, while adults average 10 times a minute
  • Your Ears and Nose never stop growing. On the other hand, your eyeballs remain the same size as they were at birth
  • About two-thirds of people tilt their heads to the right when kissing.
  • The average person forgets 90% of their dreams after they wakeup.
  • The fastest muscles in the human body are in the human eye, the ones that make the eyes blink. They can contract in less than one-hundredth of a second. In just one day, a person may blink their eyes over 11,500 times.
  • The total length of all the blood vessels in the human body if kept straight can be measured around 100,000 km.
  • On average, a person’s respiration rate is one-third higher in spring than in autumn.
  • By the end of our life, we can recall, on average, around 150 trillion pieces of information.
  • We lose 80% of our body heat from the head as we grow old.
  • When you blush, your stomach lining also turns red.
  • If the human eye was a digital camera it would have taken pictures of 576 megapixels.
  • The human eye can distinguish between 10 million different colors and are the second most complex organ after the brain.
  • A feeling of thirst occurs in our body when water loss is equal to 1% of your body weight. The loss of more than 5% can lead to fainting, and more than 10% can lead to death from dehydration.
  • On average 700 enzymes are active in the human body.
  • Human beings are the only living organism that sleeps on their backs.
  • The average four-year-old child asks about 450 questions a day.
  • Just like human beings, koalas also have unique fingerprints.
  • Only 1% of bacteria can cause illness in the human body.
  • Everyone alive on Earth could comfortably be placed into a cubical box or container with sides 1000 meters long.
  • We share 98.4% of our DNA with a chimpanzee and 70% with a slug.
  • If a human being’s DNA were uncoiled, it can stretch up to 10 billion miles, from Earth to Pluto and back.
  • There are more bacteria in a human mouth than the total population in the world.
  • There are ten times more bacteria cells in your body than any cells inside.
  • Every human has a unique smell, except for identical twins, who smell the same.
  • The scientific name for the belly button is the umbilicus.
  • Teeth are the only part of the human body that doesn’t have the ability to heal themselves.
  • On average, a person needs seven minutes to fall asleep completely.
  • Right-handed people tend to chew most of their food on the right side of their mouth, whereas left-handed people do that on the left.
  • Only 7% of people on this planet are left-handed.
  • The scent of apples and bananas can help a person to lose weight.
  • If allowed to grow for their whole lifetime, the length of human hair would be about 725 kilometers.
  • Out of all the people who have the ability to move their ears, only one-third of them are able to move just one ear.
  • During their lifetime, a person will accidentally swallow eight small spiders.
  • The total weight of the bacteria in the human body can be measured as 2 kg.
  • 99% of the calcium contained in the human body is in the teeth.
  • Human lips are hundreds of times more sensitive as compared to the tips of a person’s fingers.
  • A kiss can increase a person’s pulse to 100 beats per minute or even more.
  • The total strength of masticatory muscles on a single side of your jaw is equal to 195 kilograms.
  • During a kiss, people exchange 278 different types of bacteria. Fortunately, 95% of them are not harmful.
  • Parthenophobia is a fear of virgins.
  • If you collect all the iron present in the human body, you would get just a small cog, big enough only for use in your watch.
  • There are more than 100 kinds of viruses that cause a cold.
  • A kiss is much more effective in terms of hygiene than using chewing gum, as it regularizes the level of acidity in your oral cavities.
  • You can lose 150 calories per hour if you bang your head against the wall.
  • Human beings are the only animals on this planet which can draw straight lines.
  • A person who smokes a whole pack of cigarettes a day is doing the corresponding of drinking half a cup of tar a year.
  • Women tend to blink about two times less often than men.
  • The structure of the human body contains only four major minerals: apatite, aragonite, calcite, and cristobalite.
  • A passionate kiss causes the same chemical reactions in our brain that skydiving and firing a gun do.
  • Men are officially characterized as dwarves if their height is below 1.3 m, whereas for women the measure is 1.2 m.
  • Fingernails grow about four times quicker than your toenails.
  • People with blue eyes are more sensitive to pain than others.
  • Nerve impulses in the human body move as quickly as about 90 m/s.
  • 100,000 chemical reactions occur in the human brain every second.
  • Human beings have dimples on their lower back, but on some people, they are more noticeable than on others. They appear where the pelvis joins with the sacrum, so their appearance makes sense.
  • If one identical twin lacks a certain tooth, the other twin will not have that tooth either.
  • The surface area of the human lungs is quite similar to the area of a tennis court.
  • During a person’s lifetime, they spend about 2 weeks kissing.
  • The facial hair of a blonde-haired man grows quicker than that of a man with dark hair.
  • The human heart is approximately equal in size to that of a human fist. An adult’s heart weighs 220-260 grams.
  • At birth, there are near about 14 billion cells in the human brain. This number does not increase throughout a person’s lifetime. After 25 years, the number of cells falls by 100,000 every day. About 70 cells die in the minute. After 40 years, the decline of the brain cells accelerates sharply, and after 50 years neurons shrink and the brain gets smaller.
  • At birth, a child’s body is made up of around 300 bones. But an adult has just 206.
  • During a person’s lifetime, the small intestine is around 2.5 meters long. After the death of the person, the muscles in the walls of their intestine relax, and it’s length increases to 6 meters.
  • Your right lung can consume more air than your left.
  • An adult person performs around 23,000 inhalations and exhalations a day.
  • An adult person performs around 23,000 inhalations and exhalations a day.
  • Human beings have around 2,000 taste buds.
  • The chemical compound in the body which causes feelings of ecstasy (phenylethylamine) is also contained in chocolate.
  • The human heart pumps blood at such a high-pressure that it would be able to raise blood to the fourth floor of a building.
  • A person burns more calories while sleeping than when they watch TV.
  • Children grow faster during the spring season.
  • Every year more than 2 million left-handed people die because of mistakes they make when using machines designed for right-handed people.
  • By the age of 60, most people lose half of their taste buds.
  • The rate at which a person’s hair grows doubles during an airplane flight because of the altitude and hair pressure.
  • One percent of people can see infra-red light and one percent can see ultraviolet radiation.
  • If you were locked in a completely sealed room, you would not die due to a lack of air, but from carbon dioxide poisoning.
  • Statistically, only one person out of two billion reaches the age of 116 years old.
  • On average, a person says 4,800 words in 24 hours.
  • The retinas inside the eye cover about 650 square mm and contain 137 million light-sensitive cells: 130 million are for black and white vision and 7 million are for helping you see in color.
  • In the morning, a person is about 8 millimeters taller than in the evening.
  • The muscles which help your eyes to focus complete around 100,000 movements a day. To make your leg muscles do the same amount of movements, you would need to walk 80 kilometers.
  • A cough amounts to an explosive charge of air which moves at speeds up to 60 miles per hour.
  • According to German researchers, the risk of having a heart attack is higher on Monday than on any other day of the week.
  • Human Bones are about 5 times stronger than steel.
  • A person has a greater chance to die from a total lack of sleep than from hunger. Death would occur after ten days without sleep, whereas from hunger it would take several weeks.
  • It is impossible to sneeze with your eyes open.

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