What Are The Parts Of The Brain And How Do They Work? By: Ryan Tashiro

Introduction

The human body is a very complicated . It has a lot of parts and substance for the person to live. One of the most important parts of the body is the brain. Think of it this way: The brain is the cockpit. So, if you think of the body as a plane, the brain is the cockpit of the body, the blood cells are the passengers and the heart is the gas tank. Without the cockpit the plane is useless, just like the body is useless and lifeless without the brain. I bet you that you thought about how the brain works at least once in your life, if not then you probably are now. The brain controls every thing you do, when you do it, and why you do it. Do you want to know how many parts there are to the brain and what they do? Well now’s your chance!

The Brain

The brain has a lot of parts to it. According to serendip.brynmawr.edu, the three main parts of the brain are the forebrain, midbrain, and hindbrain. The forebrain consists of the thalamus, cerebrum, and hypothalamus. Midbrain consists of the tectum and tegmenjtum. Hindbrain consists of the cerebellum, pons, and medulla. Another part of the brain is the central nervous system, it’s made of the brain, and spinal cord. The peripheral nervous system is made out of nerves together, they control every part of your daily life. You will be surprised how many actions or thinking the brain does.

This is what the brain actually looks like

Here are some of the important parts of the brain: The cerebrum; is the biggest part of the brain. Located in the front of the brain and is divided into two halves by a fissure. It’s responsible for sensory, neural functions, and the coordination of activity in the body. Also know as the cortex (serendip.brynmawr.edu), the cerebellum (is located in the back of the brain. Coordinates muscle activity , the limbic system; has four parts thalamus, hypothalamus, amygdala, and hippocampus. Each of these has their own responsibility. , and the brain stem - The trunk of the brain. And forms the spinal cord. These four parts have a very important role

The Cerebrum

Here are some of the important parts of the brain: The cerebrum; is the biggest part of the brain. Located in the front of the brain and is divided into two halves by a fissure. It’s responsible for sensory, neural functions, and the coordination of activity in the body. Also know as the cortex (serendip.brynmawr.edu), the cerebellum - is located in the back of the brain. Coordinates muscle activity , the limbic system; has four parts thalamus, hypothalamus, amygdala, and hippocampus. Each of these has their own responsibility. , and the brain stem - The trunk of the brain. And forms the spinal cord. These four parts have a very important role.

These are the lobes and other parts of the brain

The Cerebellum

Then, the cerebellum. This part of the brain is responsible for regulation, coordination of movement, posture, and balance. Scientist thinks that the cerebellum is older than the cerebrum. The cerebellum is in between the spinal cord and the sensory system therefor it collects a lot of information. Even though the cerebellum is older than the cerebrum it is much smaller it only weighs 10% of the total brain! For example, if you are playing an instrument you would need good posture for stance to play your instrument clearly and nicely.

The Limbic System

Hey, guess what the limbic system is also divided into four parts! Yeah, there’s a lot of parts to the brain. The four parts are the Thalamus, Hypothalamus, Amygdala, Hippocampus. The limbic system is also called the emotional brain because it controls emotions. Amygdala is the emotion center of the limbic system, and it triggers the “fight or flight”-Walter Bradford Cannon. The hippocampus is in charge of memories, therefor you can remember what it felt like and what you did so you don’t make the same mistake. The hypothalamus controls body temperature, thirst, hunger. It is involved in sleep and emotional activity. Finally, the thalamus is responsible for pain, both physical and mental. If you were fighting or running or about to make the choice of running or fighting, this part of the brain would be in use.

The Brainstem

Finally, the brain stem. Did you know that the brainstem is responsible for the most important actions like heartbeat, blood pressure, breathing, even though it’s the stem?! This is the simplest part of the brain but also the most important part of the brain. The brain stem is also connected to the spinal cord. The brainstem controls the flow of messages between the brain and the rest of the body. The brain stem is also made of more parts; Pons, medulla, vertebral arteries, basilar artery. You would think this is isn't an important part of the brain because it’s the stem, but actually, it controls the most important actions you do! You wouldn’t want this part of the brain to be damaged or you could be in some serious trouble.

These are the parts of the brainstem and where they are located

Conclusion

In conclusion, there are a lot of parts in the brain and each part of it has a role which is very important. If one part malfunctions it might cause the whole brain to stop, it could affect one part, it might make you blind or deaf. The brain is divided into the forebrain, midbrain, hindbrain and the brain stem. Forebrain divides into the thalamus, cerebrum, and hypothalamus. The midbrain divides into the tetum and tegmenjtum. The hindbrain divides into the cerebellum, pons, and medulla. The cerebrum divides into the frontal lobe, Parietal lobe, Occipital lobe, and the Temporal lobe.

I hope you learned the parts of the brain and what they do! Thanks.

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Ryan Tashiro
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