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The planets of the solar system gather on one big stage. Today is a special day when the planets choose their positions. Mercury steps forward first. "I like being first because I'm always close to the Sun, so it's always warm. Plus, spinning fast is fun!" Everyone laughs at his words. Venus steps forward and says confidently, "I like being second. I shine the brightest in the night sky, making ..

Hi there! My name is Viry, one of the cold viruses that visit your body. You might think I'm a bit annoying, but I'm just a tiny microbe trying to survive and reproduce. Today, I'll tell you how I get into your body and what happens if I'm not around. Firstly, I enter your body through tiny droplets in the air or things you touch. Once inside, I stick to cells in your upper respiratory tract, es..

Hello! My name is Brainy, your brain. I am one of the most complex and amazing organs in your body, responsible for overseeing everything we think, feel, and do. I'd like to tell you more about myself and invite you into my world. Firstly, I am made up of around 86 billion nerve cells, called neurons, and about 1 trillion support cells called glial cells. These cells are interconnected to form a..

Hi! I'm Rudy, your lungs! I help you breathe all the time. Let me tell you how I help you breathe in fresh air and let out bad air, and why it's important. Firstly, I'm like a cleaner for the air in your body. When you breathe in, the air goes through some filters before it gets to me. Then, I take the oxygen from that air and give it to your blood. Your heart helps send that oxygen to all your ..

Hello! We're the "Digestive Brothers," a family that makes up the digestive system. This includes the stomach, small intestine, large intestine, and liver. Every moment of every day, we supply energy to your body and absorb nutrients, carrying out an important mission. Now, let's talk a bit more about each of our roles. Firstly, I'm Stomi, the first gatekeeper of the family, which is the stomach..

Hi there! My name is Chini, one of the teeth in this mouth. I want to explain to you why we need to be brushed well every day and what role we play in this body. As you may know, we're not just simple pieces of bone. We have an important mission to help this body get the nutrients it needs every day. Firstly, we're the first step in breaking down the food this body needs and making it easier to ..

Hi there! I'm Platy, one of the platelets in this body. Platelets like me do quite important jobs in this body. My friends and I help ensure that the blood in this body flows properly, and when there's a wound, we play a crucial role in healing it quickly. Let me explain our work in detail. Firstly, we act like emergency responders when this body gets injured, meaning when there's a wound. We ru..

Hi there! I'm Boni, one of the bones in this body. Our body has around 206 bones, though it can vary a bit from person to person. But generally, that's about how many we have. The role of our bones is really important. Without us, this body would literally collapse. Firstly, our bones support the structure of this body. We're like the pillars holding up this body's architecture. Thanks to our st..