Support our work
Decorative header background

About the brain

There is still much to learn about this complex organ


Facts and figures

0.013 seconds

Your brain determines in 13 milliseconds (0.013 seconds) whether someone is attractive or not

60% fat

The brain contains as much as 60% fat

30% energy

Despite weight, the brain uses as much as 30% of the energy we have available to us.

20% oxygen

Despite its weight, the brain uses as much as 20% of all the oxygen we take in.

1-1.5 kg

The brain weighs about 1 - 1.5 kg, this is only two percent of our body weight (your skin weighs about twice as much)

5.000 connections

Each nerve cell can connect to about 5.000 other nerve cells

86 billion

The brain is composed of 86 billion nerve cells and 1.000 billion glial cells


Support our work!

The Friends Foundation facilitates groundbreaking brain research. You can help us with that.

Support our work