How Your Body Works
Like Duolingo, but for How Your Body Works. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
For the part of you with thirty open tabs that never became anything.
Free during early access · No credit card · iPhone & Android

You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo turns How Your Body Works into a game you actually finish. Levels, streaks, and quick quizzes that make it stick. Five minutes a day.
Where How Your Body Works takes you
Ever wonder what's happening inside you right now? Discover how your heart pumps, how you breathe, and how your brain controls everything you do in this simple guide to the human body.
- 1
The Power of Your Heart and Lungs
- How Your Heart Pumps Blood
- Taking a Deep Breath
- Where Your Blood Goes
- Why We Need Oxygen
- 2
Fueling Your Body
- What Happens to Your Food
- How Your Stomach Works
- Getting Energy from Meals
- Getting Rid of Waste
- The Role of Your Liver
- Why Drinking Water Matters
- 3
The Control Center
- How Your Brain Thinks
- Sending Messages Through Nerves
- How You See and Hear
- 4
Moving and Protecting
- The Strength of Your Bones
- How Muscles Pull and Push
- Your Skin: The Body's Shield
- Fighting Off Germs
- How Your Body Heals
4 sections · 18 units · 54 levels. Built to play, not to enroll.
Here's what playing it feels like
A real question from this course. Take your best guess.
Since your heart has two separate sides working at once, where does the blood go on its shorter trip?
Get it right to open this lesson and 53 more in the app.
You pick the voice
How Your Body Works is taught in the Explain Like I'm 5 style: no big words. promise.. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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Start How Your Body Works today.
Download Tomo, search How Your Body Works, and play your first lesson in under a minute.