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BRThe human brain is one of the most complex and fascinating structures in the known universe. Weighing about 1.3 to 1.4 kilograms in the average adult, it is the control center of the human body, responsible for regulating basic life functions, interpreting sensory information, enabling movement, and supporting higher cognitive abilities such as thinking, memory, language, emotion, and consciousness. Despite centuries of study, the brain still holds many mysteries, and neuroscientists continue to uncover new insights into how it works and how it shapes who we are.
Structurally, the brain is divided into several major regions, each with specialized roles. The cerebrum is the largest part and is responsible for conscious thought, voluntary movement, sensory perception, reasoning, and decision-making. It is divided into two hemispheres—left and right—connected by a thick bundle of nerve fibers called the corpus callosum. Each hemisphere contains four main lobes: the frontal lobe (involved in planning, problem-solving, personality, and motor control), the parietal lobe (processing touch, temperature, and spatial awareness), the temporal lobe (hearing, language, and memory), and the occipital lobe (vision).
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