digestive acid in the stomach are strong enough to dissolve the zinc. Fortunately, cells in the gastric mucosa updated quickly enough acid do not have time to dissolve.
The lungs contain over 300,000 million capillaries (tiny blood vessels). If they spread from place to place, overall width amounted to 2,400 km.
The testicles produce 10 million new sperm cells each day - enough to make a man could popularize the whole planet in just six months!
Human bone is as strong as granite. A block of bone the size of a match box can support the weight of 9 tons - that is, four times more than concrete.
nails need six months to grow from base to tip.
The largest organ in the body, the skin. Adult covers about 1.9 m2. The skin is constantly renewing - in the life of the average person, about 18kg skin will be discarded and replaced by a new one.
When you sleep, grow by about 8mm. The next day again reduce to its previous height. The reason is that the discs of cartilage stistnu like a sponge when you stand or sit.
The average person in the West consumes about 50 tons of food and drink about 50,000 liters of fluid during life.
Each kidney contains 1 million individual filters. On average, they are filtered about 1.3 liters of blood per minute and a throw of up to 1.4 liters of urine per day.
Focusing eye muscles to raise about 100,000 times a day. In order to achieve the same leg muscles, you should walk 80 km every day.
One blood cell completes a full circle in the body for only 60 seconds.
The eyes receive approximately 90 percent of all information, making us basically visual creatures seem.
Women's ovaries contain nearly half a million eggs, but only about 400 of them will ever get the chance to create new life.
Nerve impulses traveling to and from the brain at a speed of 274 kilometers per hour.
Weight of a typical human brain is about 1.4 kg. The brain contains billions of neurons connected to hundreds of trillions of synapses.
Blood exceed 96,540 km through the body of the average man. Every day! Length of the Earth's equator is about 40,070 kilometers. According to the publication, published in the Franklin Institute, it is estimated that all the blood vessels in the human body, when you could be stretched from end to end, surrounded the Earth four times. This means that an adult body contains about 160.000km arteries, veins and capillaries.
On average, women blink twice as often than men.
The teeth begin to grow six months before the baby is born.
If you overeat, your hearing impaired.
Your nose can remember 50,000 different scents.
More than 90% of diseases are caused or complicated by stress.
It takes 17 muscles to smile and 43 to frown.
Every day, an adult body produces 300 billion new cells.
What is cooler room where you sleep, the better chance you'll have bad dreams.
On average, right-handed live nine years longer than left-handed.
We all know that every person has a unique fingerprint, but the fact is that we have the unique tongue print.
Babies are born with 350 bones, and adults have 206. In the course of growing up some of the bones are connected.
By the sixties, 60% of men and 40% of women will snore. Although the volume of snoring by an average of 60 decibels (volume of normal human speech), some people snore intensity up to 80 decibels - the equivalent volume of sound of pneumatic drills. 85 decibels is considered dangerous to human ears.
It is estimated that the brain generates 70 000 different thoughts during the day.
A smile is the most commonly used expression.