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Brain

One of the two components of the central nervous system, the brain is the centre of thought and emotion. It is responsible for the coordination and control of bodily activities and the interpretation of information from the senses (sight, hearing, smell, etc.). That part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord.That which is responsible for one's thoughts and feelings; the seat of the faculty of reason; his mind wandered; I couldn't get his words out of my head.Part of the central nervous system involved in regulating and controlling body functions while interpreting information from the senses transmitted through the nervous system.