Human Brain Lesson for Kids: Function & Diagram

Instructor: Rebecca Gillaspy

Dr. Gillaspy has taught health science at University of Phoenix and Ashford University and has a degree from Palmer College of Chiropractic.

Your brain is a bumpy, gray blob. It might not look like much, but it does almost everything for you! In this lesson, we'll learn about the three main parts of your brain and what they do, and you can view diagrams for each.

Your Brain: A Brief Introduction

Many people own a computer and use it every day. Computers are great for school work because they help you solve problems and type reports, but they're also fun. You can use them to create cool pictures and play games. Did you know that your body has its own computer? Your body's computer is called your brain, and it's much more powerful than any computer you can buy. This organ controls just about everything you do, from what you think and dream to how talented of a dancer you are.

For all of the work your brain does for you, it sure isn't much to look at. Your brain weighs about 3 pounds and looks like a bumpy, gray blob. But don't let the brain's boring look fool you. Inside your brain, there's a lot going on. There are many different areas of your brain that work together. In the following sections, we'll take a look at the three main parts and the jobs they do.


The biggest part of your brain is called the cerebrum. One thing your cerebrum does is control your muscles. It has two halves, one on the left and one on the right. The weird thing is that the left half of your cerebrum controls the muscles on the right side of your body, and the right half of the cerebrum controls the left side of your body.

Your cerebrum is great at helping you control your muscles, but it does a lot more than that. Think of your cerebrum as one big thinking cap--it sits on the top of the brain, kind up like a ball cap sits on top of your head, and its main job is to help you think. Your cerebrum also controls how you speak, learn, remember things and feel emotions, like happiness and sadness. It even helps you understand what's going on around you by receiving messages from your senses--touch, taste, smell, sight and hearing.


Another part of your brain is called the cerebellum. It sits behind and below the cerebrum. It's small compared to the cerebrum. In fact, the name cerebellum means 'little brain' in Latin.

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