The adult human brain contains more than 100 billion neurons
An adult person’s body contains 206 bones
The child’s body contains 350 bones, the number of complete and bald-free head hair is around 120,000
The longest bone in the body is the thigh bone
Smallest bone in the body
The nose can distinguish about 50 thousand different scents
The blood vessels in the body have a length of two rounds that can wrap around the globe
Whole humans can filter about 190 liters of blood per day
Humans breathe about 20,000 breaths a day
The heart pumps about 7,600 liters of blood per day
If a person lives 70 years, the heart will have completed 2.5 billion pulses and pumped about 250 million liters of blood
An adult person’s body contains 6 liters of blood
The body contains 639 muscles
The cornea is the only part of the body that the blood does not reach and feeds by the spread from neighboring cells
In the adult female ovaries, it can produce about half a million eggs, of which 400,000 are fertile
Scientists estimate the number of blood cells in a human being is approximately 25,000 billion round cells
