Wow! Your body is SO cool! ❤️ It has a heart that goes boom-boom-boom, bones as hard as rocks, and a brain that controls everything!
🫀 6
Body Systems
🦴 206
Bones!
💪 600+
Muscles!
🧠 86B
Brain Cells!
Tap a system to discover what it does! Cool facts await!
Key Fact
100,000 beats/day!
Your heart is like a super pump! It pushes blood through tubes called blood vessels. Blood carries food and air to every part of you!
❤️ Cool Fact #1
Your heart beats 100,000 times every day! That's MORE than the number of stars you can see!
🩸 Cool Fact #2
Blood tubes are SO tiny that blood cells go one at a time! Whoosh!
🔴 Cool Fact #3
If you stretched all your blood tubes, they would go around Earth 2.5 times! Wow!
💪 Cool Fact #4
Your heart is as big as your fist! It never stops working! Amazing!
AMAZING facts about your body! Mind = blown!
Your nose can remember 50,000 different smells! And you make a whole liter of snot every day! Eww, but cool!
Babies have 270 bones! Some join together as you grow. Now you have 206! Cool, right?
Your eyes can see 10 million colors! That's a LOT of colors! Can you see all of them?
Your tooth enamel is the HARDEST thing in your whole body! Even harder than your bones!
Your brain works HARD while you sleep! It plays with memories and dreams!
It takes 17 muscles to smile but 43 to frown! Smiling is easier! Let's all smile!
🌟 Rotating Fun Fact
Your brain uses 20% of your body's energy, even though it's only 2% of you! Wow!
How much did you enjoy exploring the human body?