The Brain

The human brain takes up most of the skull and weighs 1.2 kg. and 1.5 kg.
Its size varies according to the sex of the person, but it has nothing to do with the skills, intelligence, and functions performed.
Scientifically proven to not use the whole brain. This is divided into two hemispheres.
The left hemisphere acts as writing, logic, reasoning and rhythmic music.
The right hemisphere plays the role of intuition, emotion, imagination, artistic creativity and melodic music.