How does the brain work? The brain sends and receives chemical and electrical signals throughout the body. Different signals control different processes, and your brain interprets each.

2021年9月29日 · The brain works like a big computer. It processes information that it receives from the senses and body, and sends messages back to the body. But the brain can do much more than a machine can: We think and experience emotions with our brain, and it is the root of human intelligence.

2025年2月25日 · This fact sheet is a basic introduction to the human brain. It can help you understand how the healthy brain works, how to keep your brain healthy, and what happens when the brain doesn't work like it should.

2025年1月25日 · Your brain’s job is to send, receive and process signals sent through your central nervous system. These signals are messages that carry information from your five senses (sight, smell, sound, touch and taste). Your brain also identifies signals from inside of your body, like pain, temperature or how fast your heart is beating.

2024年2月20日 · The brain is an organ of soft nervous tissue that is protected within the skull of vertebrates. It functions as the coordinating center of sensation and intellectual and nervous activity. The brain consists of billions of neurons (nerve cells) that …

2025年2月25日 · brain, the mass of nerve tissue in the anterior end of an organism. The brain integrates sensory information and directs motor responses; in higher vertebrates it is also the centre of learning. The human brain weighs approximately 1.4 kg (3 pounds) and is made up of billions of cells called neurons.

2024年7月2日 · While all the parts of the brain work together, each part is responsible for a specific function — controlling everything from your heart rate to your mood. The cerebrum is the largest part of the brain. It's what you probably visualize when you think of brains in general.

Explore the intricate workings of the human brain, from neurons and glia to the central and peripheral nervous systems. Learn how sensory input, emotions, and memories shape our decisions and actions.

Your brain, spinal cord and peripheral nerves make up a complex, integrated information-processing and control system known as your central nervous system. In tandem, they regulate all the conscious and unconscious facets of your life.

2023年9月20日 · Each neuron is made up of three main parts: the cell body (also known as the soma), the axon, and the dendrites. Neurons communicate with each other using electrochemical signals. In other words, certain chemicals in the body known as ions have an electrical charge.