Facts about human brain...

 - The human brain weighs around 3 pounds (1.4 kg).

- The brain is composed of around 100 billion neurons, which communicate with one another through synapses.

- The left and right hemispheres of the brain are connected by the corpus callosum.

- The cerebral cortex, which is the outermost layer of the brain, is responsible for consciousness, perception, and thought.

- The brain consumes around 20% of the oxygen and calories consumed by the body, despite only making up 2% of the body's weight.

- The hippocampus is responsible for the formation of new memories.

- The amygdala is involved in processing emotions, particularly fear and aggression.

- The prefrontal cortex, located at the front of the brain, is involved in decision-making, planning, and goal-directed behavior.

- The brain can reorganize itself in response to sensory input or damage, a process known as neuroplasticity.

- The brain produces electrical signals called brain waves, which can be measured using techniques such as electroencephalography (EEG).