身体的秘密_三年级作文

介绍身体器官的作文
《我的神奇身体器官》
嘿，大家好呀！今天我来给你们讲讲我身体里那些超有意思的器官。

先来说说我的眼睛吧。

我的眼睛那可是相当厉害的，就说有一次我在街上走，老远就看到一个卖冰淇淋的小车，那花花绿绿的冰淇淋一下子就吸引住了我，我眼睛直勾勾地盯着，然后就不由自主地走过去了，哈哈，没办法，谁让眼睛这么敏锐呢，一下子就发现了好吃的。

还有我的耳朵呢，有一回我正在房间里写作业，突然听到外面传来很细微的“喵喵”声，我心里想：这不会是有小猫咪吧？我赶紧竖起耳朵仔细听，真的是小猫咪的声音呢，然后我就顺着声音找过去，果然看到一只超可爱的小猫咪在角落里。

再讲讲我的嘴巴呀，这嘴巴可太能说了，有一次和朋友们聊天，我那是滔滔不绝，从白天说到黑夜，把朋友们都逗得哈哈大笑，他们都说我这嘴巴呀，就像机关枪似的，停不下来。

我的鼻子也很厉害哦，有次我路过一家面包店，那香喷喷的味道一下子就钻进了我的鼻子，哎呀呀，我顺着那味道就走进去了，然后买了好多好吃的面包。

最后说说我的手吧，有一次我看到一个魔方，就想挑战一下自己能不能把它还原，然后我的手就开始不停地摆弄，嘿，还真让我给还原成功了呢！
这就是我身体里这些有趣又神奇的器官呀，它们每天都陪着我，让我的生活变得丰富多彩呢！希望它们能一直这么厉害下去，哈哈！。

三年级我发现了什么的秘密作文（精选4篇）三年级我发现了什么的秘密作文（精选4篇）在平平淡淡的日常中，大家都写过作文，肯定对各类作文都很熟悉吧，作文是经过人的思想考虑和语言组织，通过文字来表达一个主题意义的记叙方法。

那么你知道一篇好的作文该怎么写吗？以下是精心的三年级我发现了什么的秘密作文（精选4篇），希望能够帮助到大家。

我发现了星期五的秘密，每一个星期五，我去补习班的路上总是堵车。

我一直以为星期五晚上六点半就不会堵车了，但美好的想法总是被现实击碎。

有一次，我推迟到六点半上课，所以出门晚了点，结果一路堵到底！真烦！害得我都迟到了。

我在教室里可以看到马路上的各种情况，马路上的车子密密麻麻，就像成千上万只小蚂蚁似的，一辆辆仿佛都挨在一起了，如果你不仔细看，休想看到马路和地面。

有时在拐弯的时候，车子就像一条正在蠕动的毛毛虫，“毛毛虫”有时会少几个节，有时又会多几个节。

有一回也是星期五，我和爸爸妈妈自己开车去旅行，本来前面好好的，可是不一会儿我们上高速了，同时也堵起了车。

一直到吃晚餐的时候，我们还没有下高速，一家人的肚子早已空空如也。

下一次，我一定要带点粮食再出来。

鸡吃石子，也许我们经常见到。

可是它为什么要吃石子呢？这个秘密终于被我发现了。

有一天，我和表弟在院子里玩又见到公鸡东啄西挖，居然津津有味地吃起石粒来真奇怪。

对于鸡来说，稻谷和麦粒等，算得上是山珍海味了为什么还要吃石子呢？这个问题表弟也不明白。

爸爸告诉我，鸡的胃是很巩固的.，而胃的内部那么是一层黄色的皱皮鸡没有牙齿．我问爸爸：“那大一点的食物鸡怎么吃呢？”爸爸又说：“自己找鸡吃石粒的原因吧。

”“表姐我们还是查一查《十万个为什么》吧！”表弟在一旁说。

“好主意”。

我们翻开《十万个为什么》。

问题终于解决了。

原来，鸡和别的鸟不一样它没有牙齿，必须借助石子来磨碎胃里的食物。

石子就起到了这样的消化食物的作用。

石子在鸡胃的挪动下与食物挤啊，磨啊。

最后变成了浆糊。

介绍我的身体英文作文三年级上册全文共6篇示例，供读者参考篇1My Amazing Body!Hi everyone! Today I want to tell you all about my amazing body. Our bodies are so cool and can do so many incredible things. I hope you'll have fun learning about my body along with me!Let's start at the top with my head. My head is where my brain is located. My brain is like a super computer that controls everything I do. It lets me think, learn, remember things, and makes decisions. My brain gets messages from the rest of my body through my nerves. The nerves are like little messengers that carry information back and forth.On my head, I also have my face with my eyes, nose, mouth, and ears. My eyes let me see all the colors, shapes, and movements around me. My nose lets me smell delicious treats like freshly baked cookies or beautiful flowers. With my mouth, I can speak, eat yummy food, and smile big. And my ears let mehear all the sounds, like my favorite music or my friends laughing and playing.Under my head is my neck, which connects to my body trunk. My neck lets me move my head around and look in different directions. My body trunk has my chest, tummy, and back areas. Inside my trunk is where many of my vital organs are found that keep me alive and healthy.In my chest area, I have my heart, which is a very hardworking muscle. My heart beats around 100,000 times per day, pumping blood all throughout my body. The blood provides oxygen and nutrients to every tiny part of me. I also have lungs in my chest that allow me to breathe in air and get that oxygen for my blood.In my tummy area, I have my stomach and intestines where I digest the food I eat. The food gets broken down so my body can absorb the vitamins, minerals, proteins, and other nutrients it needs for energy and growth. I even have a liver that helps filter out toxins to keep my body clean on the inside.Attached to my body trunk are my two arms with hands, and my two legs with feet. My arms and legs let me move around, play sports, dance, write, draw pictures, and do so many fun activities. My hands have fingers that can grab, grip, and pickthings up. My legs have feet with toes that let me walk, run, jump, and skip. My bones give my body structure and let me stand up straight and tall.I have over 200 bones in my body that are all connected together with joints. My bones are covered with muscles that let me bend and move in all directions. My muscles are very strong but can also get stronger if I exercise and take good care of my body.Under my skin on the outside of my body, there is super cool stuff on the inside that keeps me alive and healthy. I have a heart that beats, lungs that breathe, a brain that thinks, a stomach that digests, and so much more. Our bodies really are incredible, amazing machines!I'm so thankful for my healthy body that lets me learn, play, explore the world around me, and live life to the fullest. Even though everyone's body is a little different, we're all wonderfully made. I hope you learned some new things about your awesome body today too! Let's give our bodies a big thank you for everything they do for us.篇2My Amazing Body!Hi, my name is Sam and I'm going to tell you all about the incredible body that I live in! Our bodies are so amazing and do so many cool things. Let me start by telling you about the parts on the outside that you can see.The HeadAt the top is my head, which holds my amazing brain to help me think and learn. My brain is kind of like a computer that controls everything I do. At the front of my head is my face with my eyes to see, my nose to smell, my mouth to eat and talk, and my ears to hear. I use my eyes to read books, watch TV, and play games. My nose lets me smell wonderful things like freshly baked cookies or beautiful flowers. With my mouth I can eat yummy foods like pizza and ice cream, and I can talk to my family and friends. My ears let me listen to music, birds singing, and what my teacher says in class.Arms and HandsConnected to my head are my arms which end in my hands and fingers. I use my arms to hug my parents, play catch, climb trees, and so much more. My hands are very useful to write, draw pictures, brush my teeth, and pick things up. My fingers help me type on a computer, button my shirt, and are great for pointing at things.Legs and FeetBelow my belly is where my legs start, all the way down to my feet and toes. My legs are very strong and let me run, jump, kick a ball, and dance. My feet are at the bottom and allow me to walk, skip, and hop around. My toes help me keep my balance and grip the ground. I'm very thankful for my legs and feet to get me places!Now I'll tell you about some important parts inside my body that you can't see.The HeartIn the middle of my chest is my heart. It beats lub-dub,lub-dub all day and night to pump blood all around my body. The blood carries oxygen and nutrients to give my body energy to breathe, move, and grow. My heart is a little bigger than my fist and works very hard for me. I should take good care of it by exercising and eating healthy foods.The LungsAnother big part inside me are my lungs. They are kind of like balloons that fill up with air when I breathe in, and deflate when I breathe out. The lungs take that air and put oxygen into my blood, and take out the bad carbon dioxide. Isn't that cool?My lungs keep me alive by getting oxygen to the rest of my body.I should try not to smoke or breathe polluted air so my lungs stay healthy.The StomachAfter I eat foods like sandwiches, fruit, or a big plate of spaghetti, it all goes into my stomach to get digested. My stomach is kind of like a blender that mashes up and dissolves all the food. Then it sends the good nutrients to my intestines to go into my blood and feed my body. But it gets rid of the waste that my body doesn't need. I have to be sure to eat good foods with fruits, vegetables, and protein to keep my stomach happy.The Bones and MusclesFinally, I can't forget about my bones and muscles! I have lots of bones all over my body that make up my skeleton and give me structure and strength. That way I don't just flop around like a blob of jelly! My muscles are connected to the bones and are kind of like stretchy rubber bands. When my muscles pull, it allows me to bend my arms, walk with my legs, chew with my mouth, and pretty much move anywhere. By exercising and eating right, I can build strong bones and big muscles.Well, that's an introduction to my amazing body and some of the most important parts that make me able to live, move, and grow. I have an incredible body that does so many things for me every single day without me even thinking about it. I need to be sure to take care of it by eating nutritious foods, exercising, getting enough sleep, and making healthy choices. Our bodies are the coolest things ever!篇3My Amazing BodyHi everyone! Today I want to tell you all about the amazing body that I live in. Our bodies are so cool and can do so many incredible things. Let me start by introducing you to the outside of my body.My skin covers my entire body and protects me. It's kind of like a cozy blanket that keeps my insides safe. My skin feels pretty soft, except for some rough spots on my feet and elbows. I have tiny hairs all over that help keep me warm. Under my skin, I have muscles that let me run, jump, dance, and move. My muscles are kind of stretchy and squishy.I have a head at the top with a face. My face has eyes for seeing, a nose for smelling, ears for hearing, and a mouth foreating and talking. I use my eyes to see colors, shapes, and the amazing world around me. My nose lets me smell delicious foods like chocolate chip cookies fresh from the oven. With my ears, I can hear birds singing, people laughing, and music playing.My mouth has teeth for chewing food and a tongue for tasting. I love tasting sweet treats and Mom's yummy home cooking. I also use my mouth to talk, tell jokes, and read out loud. At the top of my head, I have hair growing. My hair can be all different styles like braids, ponytails, or just hanging loose.My body has two arms with hands at the end. I use my arms to reach, throw, hug, and do so many things. My hands have fingers and a thumb that let me grab, hold, write, type, and more.I also have two legs with feet at the end for standing, walking, running, and jumping. My feet have toes that help me balance and grip the ground.Now let me tell you about what's inside my body. It's pretty amazing in there! My brain is at the top, protected by my skull. My brain is like a super computer that lets me think, learn, remember, and solve problems. Everything I see, hear, smell, and experience gets sent to my brain.My heart is a very important muscle that pumps blood all through my body. I can feel it beating in my chest. The blood travels through tubes called arteries and veins, kind of like the roads that cars drive on. My blood keeps all my organs healthy by giving them air and nutrients.Inside my body, I have other cool organs too like my lungs for breathing air, a stomach for digesting food, kidneys and a bladder for making urine, and intestines that help digest my food.I even have a spine running down my back that connects to my brain and lets me bend and move.Bodies are just so fascinating! We are like little worlds with cities (organs) and transportation systems (blood vessels) all connected and working together. Our bodies do an incredible number of things every second without us even thinking about it. We can see, hear, smell, taste, move, and so much more - all thanks to our amazing bodies.I'm so grateful for my body and all the awesome things it can do. I try to take great care of it by eating healthy foods, exercising, getting enough sleep, and staying safe. Our bodies are pretty much miraculous when you think about it. Aren't you glad you have one?That's my introduction to these incredible bodies we live in. Maybe you learned some new things or maybe it reminded you how marvelous our bodies truly are. Just think, while you were reading this, your brain was processing the words, your heart was pumping, your lungs were breathing, and so much more - all without you doing anything! How cool is that? Our bodies are hard at work 24/7, no days off. Let's be sure to appreciate them!篇4My Amazing BodyHi there! My name is Jamie and I'm going to tell you all about my awesome body. Our bodies are so cool and they can do so many amazing things. I'm going to describe the different parts and what they do for us. Get ready to learn some fun facts!Let's start at the top with the head. The head is kind of like the control center of the body. It's where we have our brain which is super important. The brain is like a computer that controls everything we do. It helps us think, learn, remember things, and even controls when we blink our eyes or breathe. The brain is protected by the skull which is really hard bone. I'm glad the skull keeps my brain safe!Our head also has the face with the eyes, nose, mouth, and ears. The eyes are probably my favorite part because they let me see all the colors, shapes, and cool things around me. The nose lets me smell delicious foods, flowers, and other scents. The mouth has our tongue and teeth for chewing food and talking. And the ears let us hear sounds, music, and when people are talking to us.Below the head is the neck which connects to the body trunk. The trunk has the chest area where we find the heart and lungs. The heart is a muscle that pumps blood all throughout the body. The blood carries oxygen and nutrients that all our cells need. The lungs are kind of like bellows that bring air in and out of our body. The lungs take that air and put oxygen into our blood.My trunk also has the belly area with the stomach and intestines. The stomach is a stretchy sac that holds the food we eat and starts breaking it down with stomach acids. Then the intestines continue digesting the food so we can absorb nutrients and get energy. The belly button is a cool reminder of when we were tiny babies growing inside our moms!The trunk connects to the upper and lower limbs. The upper limbs are the arms with shoulders, elbows, wrists, and hands. We use our arms and hands to do so many things - throw a ball,open doors, pet animals, clap, wave hello, and tons more. The hands have fingers and an opposable thumb which helps us grip and grab objects. I'm really grateful for my hands!Then we have the lower limbs which are the legs with hips, knees, ankles, and feet. Our leg muscles are super strong for running, jumping, kicking, and getting around. The feet have toes and arches which help us balance and walk upright instead of on all fours. Our toes grip the ground and the arches act like little springs as we step. Pretty neat!Did you know our body is covered with skin from head to toe? The skin protects the inside of our body from germs and stuff. It also has nerves that let us feel warmth, cold, pain, and other sensations. Plus the skin has sweat glands to help cool us down when we're hot. Under the skin we have bones, muscles, blood vessels, and other cool parts working together as a team.There are so many other fascinating parts of the body like the liver, kidneys, immune system, reproductive system, and more. But I think you get the idea of how amazing our bodies truly are. We're like living machines with all these parts doing important jobs to keep us alive and healthy. I'm going to take great care of my body by eating good foods, exercising, and treating it with respect. Our bodies are pretty awesome!篇5My Amazing BodyHi there! I'm going to tell you all about my awesome body today. Our bodies are really cool and let us do so many amazing things. I hope you'll learn some new stuff!Let's start at the top with my head. My head is where my brain is located. The brain is like a super computer that controls everything my body does. It lets me think, learn, remember things, and even dream when I'm sleeping. My brain is protected by my skull, which is the hard bone that makes up my head.My face has some pretty important parts too. I use my eyes to see everything around me. My eyes work kind of like a camera, letting light in and sending signals to my brain to make pictures.I need my ears to hear all the sounds, like music, people talking, or birds singing. My ears pick up on those vibrations in the air.I also have a nose right there on my face. My nose lets me smell delicious things like freshly baked cookies or beautiful flowers blooming outside. It also helps me breathe in air through my nostrils. Breathing is super important to get oxygen into my body.My mouth is one of the hardest working parts! I use it to eat yummy foods like pizza, ice cream, and my mom's famous spaghetti. Chewing up my food helps start digesting it before it goes to my stomach. My mouth also has a tongue that helps me taste if things are sweet, sour, salty or bitter. And of course, my mouth lets me speak, sing, laugh and smile using my lips, teeth and tongue.Attached to my head is my neck, which connects everything to my body trunk. My body trunk has my chest area where my heart and lungs are located. My heart is a muscle that pumps blood all through my body. The blood carries oxygen and nutrients everywhere they need to go. My lungs breathe in air which gives me that oxygen to put in my blood.My stomach is also part of my trunk. After I chew up food in my mouth, it goes down my throat and into my stomach to keep digesting. My stomach and intestines are part of my digestive system that breaks down food so my body can use it as energy and nutrients.I have two arms with hands at the end. My arms and hands let me do so many cool things like writing, throwing a baseball, petting my dog, or giving someone a hug. I have muscles andbones in my arms that make them strong and let me move them around.My legs are pretty important too! They let me walk, run, jump, dance, and skip around wherever I want to go. My legs have some of the biggest muscles and bones in my body. The bones in my legs are called my femurs. I also have knees in the middle of my legs. My feet at the bottom of my legs help me balance and get around.My whole body is covered by my skin, which protects everything inside me. My skin has tiny holes where hair grows out. I have hair on my head that comes in lots of different colors like blonde, brown, red or black. The skin is also my largest organ.My body is made up of so many different parts that all work together. I'm able to walk and run around, eat yummy foods, learn at school, and play with my friends - all thanks to my amazing body! I sure am lucky to have one. Our bodies are awesome!篇6My Amazing BodyDid you know there are over 600 muscles in your body? That's a lot of muscles! Your body is pretty amazing. Let me tell you all about the incredible parts that make up your body.Your HeadAt the very top is your head. Inside your head is your brain, which is kind of like a computer that controls your whole body. Your brain lets you think, learn, remember things, and even breathe and walk. Isn't that crazy? Your head also has your eyes to see, ears to hear, a nose to smell, a tongue to taste, and a mouth to eat and talk.Your skull helps protect your important brain. But did you know your skull actually isn't one big bone? It's made up of 22 different bones attached together! On top of your head is your hair, which helps keep your head warm. Hair comes in all different colors like blonde, brown, red, and black.Your FaceRight on your head is your face. Your face has your eyes, which let you see all the colors and things around you. Your eyes blink to keep them wet and protected. Above your eyes are your eyebrows. Eyebrows help keep sweat from dripping into your eyes.Your nose lets you smell amazing smells like fresh-baked cookies or funky smells like stinky socks! Inside your nose are tiny hairs that filter out dust and germs so they don't get into your body. Your mouth has teeth to chew your food and a tongue to taste flavors like salty, sweet, sour, and bitter. Taste buds on your tongue let you taste all those yummy or yucky flavors!Your Body TrunkUnder your head is your body trunk with your chest, stomach, and back. Your chest has your heart, which pumps blood all through your body. Your heart is a little bigger than your fist and beats around 100,000 times per day! In your chest are also your lungs that help you breathe in air.Your stomach digests the food you eat and absorbs the nutrients. Attached to your stomach are your intestines, over 20 feet long! The intestines help digest food and get rid of waste from your body. In the middle of your body trunk is your spine, made up of 33 little back bones called vertebrae. That's what helps you stand up straight.Your Arms and LegsAttached to your body trunk are your arms and legs. Your arms have shoulders, elbows, wrists and hands with fingers. Your legs have hips, knees, ankles, and feet with toes. All those bones in your arms and legs help you run, jump, write, throw a ball, and so much more!Your arms and legs also have over 600 muscles, which let you move your body parts. Your muscles are attached to your bones by tough connectors called tendons. When your muscles get a message from your brain, they pull on the bones using the tendons, which causes movement. Isn't the human body amazing?Your SkinCovering your whole body is your skin. Skin comes in many different shades like tan, brown, pink, or darker colors. Underneath your skin are millions of tiny receptors that sense things like heat, cold, pressure, pain, and more. Your skin has millions of tiny holes where hair grows out. It also has sweat glands that release sweat to help keep you cool.Your skin protects all the important organs inside your body. It's waterproof to keep the good stuff in and bad stuff out. But your skin can also get hurt like cuts, scrapes, rashes, or sunburns, so you have to keep it protected and clean.So that's your incredible body! From your hard-working brain to your pumping heart to your protective skin, your body has so many amazing parts all working together to keep you alive and well. Pretty cool, huh? Take good care of your awesome body!。

我有一个秘密作文我有一个秘密作文（通用36篇）在生活、工作和学习中，说到作文，大家肯定都不陌生吧，写作文是培养人们的观察力、联想力、想象力、思考力和记忆力的重要手段。

还是对作文一筹莫展吗？以下是小编为大家整理的我有一个秘密作文，欢迎大家借鉴与参考，希望对大家有所帮助。

我有一个秘密作文篇1我有一个小秘密，就是一直想长高，却不知道怎么办？“奶奶，我怎么可以长高啊？”奶奶说：“等你攒够一千零一个秘密，就可以长高了。

”我开始积攒秘密，早上吃早饭，发现鸡蛋里有两个蛋黄，我说：“这个鸡蛋里有两个……”我立刻捂住嘴，我有了第一个秘密：一枚双黄蛋。

来到学校，我开始拿东西换秘密。

“桑易，这玩具小狗可爱吗？用一个秘密换。

”“告诉你我昨天晚上作业没写！”“赵笋，一张多多卡换一个爆炸性的秘密。

”赵笋小声说:“还记得上次寒假作业案件吗？是我把全班的作业扔了，因为——我没写。

”“唐棠，你想要三元钱吗？一个秘密！”“我昨天去网吧玩游戏玩了一个小时。

”“李明泽，一支钢笔一个秘密。

”“前几天我骂了门口的保安，不许告诉其他人。

”就这样，一天一天的攒，我终于攒够了一千零一个秘密。

“你还要秘密吗？”我说：“不要了，已经够了。

”同学说：“你不是还没长高吗？”我说：“虽身体没长高，但我的心已经长高了。

”同学说：“什么意思？”“这个嘛——秘密！”我有一个秘密作文篇2每个人的心里都藏着一个小秘密，一个只有自己知道的小秘密，当然了，我也并不例外。

我最喜欢的事情就是洗澡，没错。

等写完作业，到卫生间把不愉快和疲惫洗掉，然后换上睡衣舒舒服服地躺在床上，那感觉真是太幸福了！但最让我感到快乐的，还是另一件事。

晚饭过后，我在家里的书柜里仔细查找“这本吗？不是，是不是那本？上次放哪来着？“对，我正是在找书“不错，就是这本了！我高兴地笑了起来，开始细细品味书中的内容。

“凯熙，快去洗澡吧妈妈在客厅里喊我，我嘴上答应着，身子一边看书一边往衣柜那边挪。

折好页数，然后我偷偷地看看旁边，没人，赶紧把书往衣服里塞，然后跑到卫生间洗澡去了。