The brain consists of the cerebrum, the brainstem and the cerebellum. It controls most of the activities of the body, processing, integrating, and coordinating of other things in the human system.
he human brain weighs approximately 1.4 kg (3 pounds) and is made up of billions of cells called neurons. Junctions between neurons, known as synapses. The brain directs our body’s internal functions. It also integrates sensory impulses and information to form perceptions, thoughts, and memories,it is also the command centre for the human nervous system, it receives signals from the body sensory organs and outputs.