Strange facts about the human body
You may not want to swim in your saliva, but if you save all your saliva, you will have about 28,000 liters in your life, enough to fill a pool.
Strange facts you may not know about the human body
Size of head
At birth, our head is about half the length of the whole body, but when it grows, it only accounts for 1/8. So we are not surprised when newborn babies can hardly raise their heads.
Tongue fingerprints
Like fingerprints, each person's tongue has its own distinct lines, no one resembles anyone. So if you want to completely hide your identity, don't . stick your tongue out.
Skin
Similar to the shedding of dogs and cats, every hour, the human body eliminates about 600 thousand tiny pieces of skin. It is estimated that each person will peel about 0.7kg of skin each year, and up to 70 years of age each person has lost about 47kg of skin.
How many bones does the human body have?
The amount of bone in an adult's body is less than that of a baby. We were born with 350 original bones, but due to growing up, some bones merge together so we only have 206 total in the body.
The stomach changes itself
Every 3 to 4 days our stomach has a new lining inside. Without this mechanism, the stomach will digest itself because of the strong acids that it uses to digest food.
Ability to remember scent
Although the human nose is not as sensitive as the noses of the dogs, it can remember up to 50,000 different smells.
How long is the intestine?
Our intestine is approximately four times the length of an adult, which is about 5.4m-7m. If it doesn't fit right in the abdominal cavity then everything will be troublesome.
Bacteria
Every inch (2.54 cm) of human skin is home to about 32 million bacteria, but fortunately, most of them do not harm us.
Body smell
Sweat is the source of body odor, like the smell of feet, the smell of the underarm area. Only two feet - with about 500,000 sweat glands - the daily amount of sweat produced is about 0.5 liters.
Blood vessel
The total length of blood vessels in our body is about 96,000km, and this is also the distance that blood must move. A hard heart will pump about 7,600 liters of blood through these blood vessels every day.
How much saliva?
You may not want to swim in your saliva, but if you save all your saliva, you will have about 28,000 liters in your life, enough to fill a pool.
The volume of snoring
By age 60, about 60% of men and 40% of women will snore at sleep. And many people's snoring is quite deafening. The sound of regular snoring ranges around 60 decibels, which is equal to the normal voice, but some people have snoring up to 80 decibels. 80 decibels are the volume of a pneumatic drill used for concrete drilling. Sounds larger than 85 decibels are considered dangerous and harmful to human ears.
Speed sneeze
When sneezing, air passes through the mouth and nose at speeds of up to 100 miles per hour. So you should cover your mouth and nose when sneezing, and if you see someone about to sneeze you should dodge aside.
Hair color is related to the amount of hair
People with blond hair have more hair fibers than people with other hair colors. Hair color is a factor that helps you determine the amount of hair a person owns. Accordingly, people with blonde hair (naturally) have the most hair. On average, human heads have about 100,000 hair pins, and each hairline can produce about 20 hairs in human life. Blond haired people have 146,000 hair pins, black-haired people have about 110,000 hair pins, and brown-haired people have about 100,000 hair roots. Red haired people have the least hair with about 86,000 hair pins.
The development of nails and legs
It is normal for you to cut your nails more often than toenail. The nail will grow faster if it is frequently exposed to the outside environment and used a lot. Nails will grow longer in your dominant hand, and on any longer finger. On average, each month the nail will be about 1/10 inches long.
Sleep needs of the body
If you don't eat or drink, your body can tolerate a few weeks; But if you don't sleep, 11 days is the maximum limit. Do not sleep after the 11th day, you will sleep . forever.
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