100 amazing and interesting facts about a human being

The human is a social being, possessing intelligence and consciousness, as well as a subject of socio-historical activity and culture. Originated on Earth because of the evolutionary process – anthropogenesis. Specific features of humans, distinguishing them from other animals, are uprightness, highly developed brain, intellection and articulated speech.

Humans study and change themselves and the surrounding world, create a culture and own history. The essence, origin, purpose and the place in the world of a human being have remained the main questions of philosophy, religion, science and art.

Distinctive features of humans: the ability to think and to make a free choice, take responsibility for actions, the existence of moral judgments. Describing people, scientists register their biological inappropriateness, the lack of specialization of the organs for any particular simple animal creature, the ability to produce tools, fire, and use them, the gift of speech, and the plasticity of behavior. People are the ones to have higher emotions, traditions, and the ability to think, assert, deny, count, read, plan, know about their mortality, and love in the true sense of this word. We also have a sense of humor, carry out our intentions, invent and create something new.

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We are happy to share with you the most interesting, amazing, striking and seemingly incredible facts about people. Here are a hundred of the most fascinating facts about a human being:

The only part of the body that has no blood supply is the cornea of the eye. Oxygen is obtained directly from the air.
Human brain capacity exceeds 4 terabytes.
Up to 7 months a child can breathe and swallow simultaneously.
Our skull consists of 29 different bones.
The nervous impulse from the brain moves at a speed of 170 m/h.
One human brain generates more electrical impulses for one day than all the phones in the world combined.
The average human body contains enough sulfur to kill all the fleas on the average dog; carbon – to make 900 pencils; potassium – to shoot from a toy cannon; fat – to make 7 pieces of soap; and enough water to fill a barrel in 13 gallons (50 liters).
The heart of man pumps 48 million gallons (182 million liters) of blood for his life.
50 thousand cells in your body die and are replaced with new ones while you are reading this sentence.
The embryo acquires fingerprints at the age of 3 months.
Women’s hearts beat faster than men’s.
A man named Charles Osborne hiccuped for 68 years.
Right-handed people live on average 9 years longer than left-handed people.
Approximately 2/3 of people tilt their head to the right when they kiss.
A person forgets 90% of his dreams.
The total length of blood vessels in the human body is about 62 thousand miles (100 thousand km).
In spring, the respiratory rate is on average 1/3 more than in the autumn.
By the end of life, a person remembers an average of 150 trillion bits of information.
80% of the heat of the human body goes out of the head.
When you blush, your stomach turns red too.
The feeling of thirst appears when water loss is equal to 1% of body weight. Loss of more than 5% can lead to fainting, and more than 10% – to death from dehydration.
At least 700 enzymes work in the human body.
Humans are the only creatures that sleep on their backs.
On average, a 4-year-old child asks 450 questions a day.
Unique fingerprints besides people have also koalas.
Only 1% of bacteria cause ailments in humans.
All people on the planet can be comfortably put in a cube with a side of 39,370 inches.
The scientific name of the navel is umbilicus.
The tooth is the only part of the human body that is incapable of self-healing.
On average, a person needs 7 minutes to fall asleep.
The right-hander chews most of the food on the right side of the jaw, the left-hander on the left.
In the world only 7% of lefties.
The aroma of apples and bananas helps to lose weight.
The length of the hair on the head, which a person grows on average during his life, is 450 miles.
Among people who can move their ears, only 1/3 can move one ear.
The average person swallows 8 small spiders throughout his life.
The total weight of bacteria living in the human body is 4,4 lb.
99% of all calcium in the human body is in the teeth.
The lips of a person are hundreds of times more sensitive than the fingertips. A real kiss increases the pulse to a frequency of 100 or more beats per minute.
The absolute strength of the masticatory muscles on one side is 430 lb.
During the kiss from one person to another, 278 different bacterial cultures are transmitted. Fortunately, 95% of them are not dangerous.
Parthenophobia is the fear of virgins.
Tooth enamel is the hardest tissue produced by the human body.
If you collect all the iron contained in the human body, you will only get a small screw for the clock.
There are more than 100 different viruses that cause a cold.
A kiss of sufficient duration is much better than chewing gum, it normalizes acidity in the oral cavity.
Striking your head against the wall, you can lose 150 calories per hour.
A human being is the only representative of the animal world, capable of drawing straight lines.
During the life of a person’s skin changes about 1,000 times.
There are dimples on the back of each person, only in someone they are apparent, but in others less noticeable. The dimples are located where the pelvis fuses with the sacrum, so that the appearance of them is completely justified.
Women blink about 2 times more often than men.
The human body contains only 4 minerals: apatite, aragonite, calcite and cristobalite.
A real passionate kiss causes the same chemical reactions in the brain that parachute jumps and gun shooting.
Men are considered dwarfs with the height below 51 inches, women – below 47 inches.
Nails on the fingers grow about 4 times faster than on the toes.
People with blue eyes are more sensitive to pain than others.
Nerve impulses in the human body move at a speed of about 300 ft per second.
In the human brain, 100,000 chemical reactions occur within 1 second.
Children are born without kneecaps. They appear only at the age of 2-6 years.
If one of the identical twins does not have one or another tooth, as a rule, the same tooth is absent from the other twin.
The surface area of human lungs is approximately equal to the area of the tennis court.
On average, a person spends two weeks kissing for life.
At blondes the beard grows faster, than at brunettes.
Leukocytes in the human body live 2-4 days, and erythrocytes – 3-4 months.
The strongest muscle in the human body is the tongue.
The size of the human heart is approximately equal to the size of his fist. The weight of the adult’s heart is 0,5-0,6 lb.
From the moment of birth, 14 billion cells already exist in the human brain, and the number does not increase until death. On the contrary, after 25 years it is reduced by 100 thousand a day. In a minute, you spent reading the page, about 70 cells die. After 40 years, brain degradation accelerates dramatically, and after 50 neurons (nerve cells) shrink and the brain volume decreases.
At birth in the body of a child there are about 300 bones, in adulthood there are only 206.
The human small intestine has a length of about 8,2 ft. After his death, when the musculature of the intestinal wall relaxes, the length reaches 20 ft.
The right lung of man contains more air than the left.
The adult person makes approximately 23 thousand breaths (and exhalations) per day.
The smallest cells in the body of a man are sperm cells.
About 40 thousand bacteria are in the human mouth.
In the human body, about 2,000 taste buds.
The human eye is able to distinguish 10 million color shades.
The chemical compound responsible for the ecstasy of love (phenylethylamine) is present in chocolate.
The human heart creates pressure, which is enough to raise blood to the level of the 3d floor.
In a dream, a person burns more calories than watching a TV.
Children grow fastest in the spring.
Every year, more than 2,000 lefties are killed because of errors in the operation of mechanisms designed for right-handed people.
It turns out that every 300th man has the opportunity to satisfy himself orally.
A person uses 17 muscles when smiling, and 43 – when frowning.
At the age of 60, most people lose half their taste buds.
During the flight in the plane, the speed of human hair growth doubles.
1% of people can see infrared radiation, and 1% – ultraviolet one.
If you are locked in a completely enclosed room, then you will die from carbon dioxide poisoning, and not because of a lack of air.
According to statistics, only 1 person for 2 billion steps over the life threshold of 116 years.
The average person speaks 4,800 words in 24 hours.
The retina inside the eye covers about 1 square inch and contains 137 million photosensitive cells: 130 million rods for black and white vision and 7 million cones for color vision.
Our eyes are always the same size from birth, but our nose and ears never stop growing.
In the morning the person is approximately 0,31 inches higher than in the evening.
The muscles of focusing the eye move 100 thousand times a day. To the muscles of the legs made the same cuts, you need to walk 50 miles a day.
Coughing is an explosive charge of air that moves at a speed of up to 0.0385 miles per hour.
According to German researchers, the risk of a heart attack is higher on Monday than on any other day of the week.
Bone is 5 times stronger than steel.
It is impossible to sneeze with your eyes open.
Ingrown nails are a hereditary trait.
A normal person will die from a complete lack of sleep faster than from hunger. Death will occur in about 10 days without sleep, while from hunger – in a few weeks.
The average life expectancy is 2 475 576 000 seconds, for the life we say on average 123 205 750 words, we have sex 4 239 times.
To get cute dimples on the cheeks, it is not necessary to resort to surgery. For this, there are special exercises.