How Does the Brain Work? Introduction The brain works by sending and receiving billions of electrical and chemical signals every second. These signals allow you to think, move, remember, learn, feel emotions, and respond to the world around you. Although the brain appears to work as a single organ, it is actually made up of…
What Is the Brain? The brain is the body’s control center. It receives information from the senses, processes that information, and sends signals that control movement, thoughts, emotions, memory, and many automatic body functions such as breathing and heart rate. Although it weighs only about 1.3–1.4 kg (3 pounds) in adults, the brain contains approximately…
What Does the Brain Do? Introduction The brain controls almost everything you do. It allows you to think, move, remember, speak, feel emotions, and understand the world around you. Even while you are asleep, your brain continues to work by controlling breathing, heartbeat, and many other automatic body functions. Every thought, movement, and feeling begins…