16 Surprising Facts about Human Body. Even Doctors and Scientists Find Some of Them Astonishing

In the morning we are 1-2 cm taller than in the evening. While we walk, gravity affects the spine discs and flattens them a little. While we sleep, there is no pressure on them so they come back to their original shape.

The ageing process begins when our body is not able to fix damaged cells. This results in deteriorated operation of body organs. On average, the ageing process begins when we turn 40. Of course it all boils down to our lifestyle. A person who smokes and excessively drinks alcohol may begin to age after 25.

There are about 6 liters of blood circulating all over our body (men have approximately a liter more). It takes three million mosquitoes to drink it. Their total weight would be about 8 kilos.

Whenever we smile, we employ about 176 different muscles. To make one step, you need to use as many as 200 of them.

Tooth enamel is the strongest part of our body. Unfortunately, teeth are not able to regenerate themselves.

Our hair grows about 1cm per month (the growth is most intensive when we are between 15 and 30 years old). A thick and healthy hair is capable of holding a weight of 100 grams. All pieces of can therefore hold a mass of 10 tones (something like two elephants)

Female heart beats approximately 10 times more a minute than male. It is also smaller and it pumps about 7,000 liters of blood a day.

In most cases the length of our thumb is the same as the length of nose. Speaking of the latter, our nose is capable of differentiating about a billion of smells. That’s a lot! As for the number of identifiable stimulus, it is more than the ear (half a million of tones) and eye (100 million of colors).

Using all the carbon our body consists of we can make about 900 pencils. The fat would be enough to make 7 bars of soap.

Our ears stop growing when we are 6. The nose grows until we come of age. Our eyes remain the same all our lives. When we die they are just as big as they were when we were born.

There are no two people with identical fingerprints. Even identical twins differ in this respect. Fingerprints are shaped 16 weeks into pregnancy. Earlier the skin is smooth and quite transparent – you can see blook vessels through it.

Tongue is reported to be the strongest muscle in our body. Its strength is calculated as proportion between the force of the muscle and its size.

30 minutes is enough for human body to generate sufficient amount of energy to boil 1.5 liters of water

If human lungs were spread on a flat surface they would cover the area of a tennis court.

A rumbling belly is in fact a rumbling in the small intestine as this is where the most important part of the digestion process takes place. Interestingly, the total length of the small and large intestine is 8 meters.

Our brains form approximately 70,000 thoughts per day.

Although we think we know everything about human body, it can still be a bit intriguing. Which of the facts did you find the most surprising? Let us know in a comment.