Savais-tu que... Civilisations anciennes/Corps humain

Lexie explains that when the tongue is dry, it does not taste anything.

Lexie explains that beard hair grows faster than any other hair of the human body.

Lexie explains that, as with fingerprints, every human being has a different tongue print that makes it possible to identify him.

Lexie explains that the nails of the hands grow faster than the nails of the feet.

Lexie explains that the surface of the lungs and their alveoli is as big as a tennis court.

Food gives energy to the body and allows it to work well, even when sleeping!

Lexie explains that it takes a lot of concentration to sneeze with open eyes.

Lexie explains that children have fewer teeth than adults.

Lexie explains that the heart produces electricity, which makes it beat and pump the blood into the body.

Lexie explains the formation of teeth in a child, from its development in the belly of his mother.

Lexie explains that ear wax plays an important role in protection, so it is important not to wash your ears too often.

Gunpowder was invented in ancient China. It was used primarily to make flying fire that scared enemies.

Umbrellas were invented in China more than 3000 years ago. At first, they were made of paper and served as a parasol. They were subsequently soaked in oil to protect the paper from water and became umbrellas.

There is an army of 8000 terracotta soldiers who were made by ancient Chinese craftsmen to protect the tomb of an emperor.

In ancient China, it was fashionable to have small feet, so girls' feet were bandaged to prevent them from growing up. Small feet were a sign of wealth, but also a source of many physical problems.