Savais-tu que... Ding dong!

Lexie explains that the adrenaline released in the body when it is stressed explains the butterflies that we feel in our belly.

Lexie explains that there are several types of hiccups, including one that lasts for months or even years.

Lexie explains that the human body contains gold: it absorbs this mineral from the foods eaten.

Lexie explains that human hair is one of the strongest fibers on the planet. A healthy hair is as strong as a copper wire of the same diameter

Lexie explains that the taste buds that detect the flavor of food are not all found on the tongue; they are hidden everywhere in the mouth.

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 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.