Curiosities about the most complex and mysterious organ in the human body: #World Brain Day.
The human brain only represents 2% of the total body weight but consumes about 20% of its total oxygen.
The brain has a network of blood vessels with an extension close to 250,000 km.
Every second, 100,000 chemical reactions can take place in the human brain.
Human beings can experience up to 70,000 thoughts a day.
About 75% of the brain is made up of water. This means that dehydration, even in small amounts, can have a detrimental effect on brain function.22, July 2020