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

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 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.

Kites were invented in ancient China more than 2000 years ago. Initially, they were not used for fun, they were used by the army rather to warn the arrival of an enemy or to scare him.

In ancient China, the hair was sacred. People let their hair grow all their life without ever cutting them. The prisoners' hair was cut in disgrace.

Lexie explains that there was a color code for clothing in ancient China. The peasants had to wear blue or black clothes and the rich could wear red or purple.

The Chinese invented the first modern utensils: chopsticks. These were used first to mix the food and are now used to eat the meal.

Lexie explains that the dragon is the character of one of the most famous legend of ancient China. This emblem with a snake's body that can fly and control the weather would have been even incarnated by an emperor at his death.