The brain is the centre of our thoughts and the central organ of the human nervous system.
It is the most complex and important organ in the body, which is made up of more than 100 billion specialized nerves and functions by controlling all the metabolic functions of our body.
On average, an adult brain weighs between 1.0 kg – 1.5 kg.
It is mainly composed of neurons the fundamental unit of the brain and nervous system.