The document summarizes key aspects of the human brain. It notes that the brain is located in the skull and functions as the primary receiver, organizer, and distributor of information. It has two hemispheres, a right and left half. Additional details provided include that the brain weighs 3 pounds, is made up of 60% fat, and uses 23 watts of power when awake. The brain structure includes the cerebellum, which controls movement and balance, and four main lobes - frontal, parietal, occipital and temporal. Each lobe has distinct functions like reasoning, sensory input, vision, and memory. Neurons are the basic functional units and there are around 100 billion neurons in the brain.