Your Super Body
Did you know your body is always working — even when you sleep? 😴
Right now your heart is beating, your lungs are
breathing, and your brain is reading these words! All at the same time!
Your body is made of tiny pieces called cells. Cells are so small you
cannot see them! They join together to make your bones, muscles, skin, and
everything else. Let's meet the amazing parts of your body! 🌟
Your Bones — The Strong Frame
You have 206 bones inside your body! They give you your shape —
without them you would be all wobbly like a jellyfish! 🪼
🏗️ Bones give you shape — your spine keeps you standing tall!
🛡️ Bones protect you — your skull is like a helmet for your brain!
💪 Bones help you move — when muscles pull on bones, you walk, run, and jump!
🩸 Bones make blood — inside some big bones, new blood is being made right now!
Fun fact: Babies are born with about 270 bones! As you grow up, some of them
join together. Cool, right?
Your Muscles — The Movers
You have more than 600 muscles! Muscles are what make you move.
Every time you smile, blink, or wiggle your toes — that's your muscles working!
🧠 Your brain tells your muscles what to do by sending tiny signals.
🤝 Muscles work in teams of two — when one pulls, the other rests. Then they swap!
❤️ Your heart is a special muscle that never stops working. It beats all day and all
night!
Fun fact: The biggest muscle in your body is in your bottom — it
helps you stand up and climb stairs! 🏔️
Your Heart — The Pumping Machine
Your heart is about the size of your fist. It pumps blood
all around your body every single second! 💓
🔴 Blood carries oxygen (the air you breathe in) to every part of your body.
🛡️ Blood also has tiny germ fighters called white blood cells that keep you healthy!
🔄 Blood travels in tubes called blood vessels — they go everywhere, even to your
toes!
Fun fact: Your heart beats about 100,000 times every day!
Put your hand on your chest — can you feel it? 🥁
Your Brain — The Boss
Your brain is the boss of your whole body! It sits inside your skull
and tells everything what to do. 🎩
🤔 Your brain helps you think, learn, and remember things.
😊 It controls your feelings — like when you feel happy or scared.
⚡ It sends super-fast messages through your body using nerves — like tiny wires!
Fun fact: Your brain is always working, even when you are
asleep — it helps you dream! 💤✨
Your Lungs — The Air Machines
Your lungs are like two big balloons inside your chest. They help you breathe in
the air you need to live! 🌬️
inhale Oxygen — the air that keeps your body working.
exhale Carbon Dioxide — the air your body doesn't need anymore.
Fun fact: When you run or play, you breathe faster to get more oxygen!
Try taking a deep breath — that's your lungs at work! 🏃♀️💨
Cells — The Building Blocks
Your body is made of tiny pieces called cells. Cells are so small you
cannot see them! They join together to make your bones, muscles, skin, and
everything else. 🌟
Fun fact: Your body has trillions of cells — more than all the stars in the
sky! ✨ Cells have different jobs — some are skin cells, some are blood cells, and some are
muscle cells, and even Cells have different shapes!
Right now your body is doing so many things without you even thinking about it — breathing, pumping blood, growing, and even fixing tiny scratches on your skin! Your body is more amazing than any robot ever made!
Explore Your Body Systems
Click ← → to explore
What Did We Learn?
Bones
206 bones give your body its shape and protect your insides!
Muscles
Over 600 muscles help you move, smile, and even blink!
Heart
Your heart pumps blood all day and all night — it never stops!
Brain
Your brain is the boss — it tells your whole body what to do!
Lungs
You breathe about 20,000 times a day to get fresh air!
Tummy
Your stomach mashes food and turns it into energy for you!