How Your Brain Works

One Complex Human Organ Changed an Entire Planet

by Esmeralda Ramirez, age 12

            Your brain is the structure inside your head that controls your entire body— your actions, emotions, and even thoughts.
            The brain is part of the Central Nervous System, which also includes the spine. The nervous system is like our body’s hot line. It carries messages from the brain to every muscle and organ inside of your body. Your nerves connect the brain to other parts of your body. All nerves stem from the Central Nervous System.
             There are many parts to the brain, and they each control something different. The pinkish gray walnut-like mass has two sides, a left and a right side. What is quite cool, however, is that the left side of your brain controls your entire right side, and the right side controls the left. This means that if you are left-handed the right side of the brain is dominant. And if you’re right-handed, the left side of your brain is dominant.
            The left side of the brain controls speech. The right side generally controls awareness of space. Because of this some people believe that if you’re left-handed you’re likely to be good at art and design.
            Aside from the left and right hemispheres of the brain that perform their own tasks, the brain is also made up of distinct structures with distinct functions. The part of the brain that allows us to see things is called the Visual Cortex. It is located at the back of the brain. The Cerebral Cortex sends and receives signals to move parts of your body. Thinking and planning happens in the frontal lobe of your brain. The Pituitary Gland controls important hormones in your body.
            The brain is the most important organ in your body. It has many working parts, and each performs different functions. Working together, these functions contribute to the high intellectual capabilities of the human brain. It is the brain’s complex features that have allowed us to become the most intelligent species in the food chain.

[Source: The Big Book of Knowledge]

The left side of my brain controls the right, and the right side controls my left? How neat! I guess you do learn something new every day. Thanks Esmeralda! – Nancy GardunoMadison, WI (2014-06-07 10:40)
You have shed a ray of susinhne into the forum. Thanks! – LovelyYou have shed a ray of susinhne into the forum. Thanks! (2014-12-06 05:34)
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