Know your body

Understand your body, one organ at a time

Heart Brain Lungs Skeleton

Explore How Your Body Works

Simple guides to help you understand your body—no medical background needed.

Brain & Nerves

How your brain thinks, feels, and keeps everything running.

Heart & Blood

Your body's hardest-working pump, explained simply.

Breathing & Lungs

How oxygen gives your body energy—every second.

Digestion

What happens to food after you take a bite.

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Begin Your Body Journey

We've created a comprehensive guide to help you get started on your learning journey. Discover how your body works in simple, friendly terms.

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Learn Something Fun

Tiny facts, quick quizzes, and curious moments about your body.

Fun Fact of the Day

Your brain uses about 20% of your body's energy—even when you're doing nothing.

Did you know?

Your brain uses about 20% of your body's energy — even when you're resting.

Source: National Institute of Neurological Disorders and Stroke (NINDS)

Popular Guides

Clear, friendly explanations people love reading.

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Heart

How Your Heart Works While You Sleep

Your heart never takes a break—even when you do.

⏱ 4 min read

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Brain

Why Do We Get Tired?

What's really happening when your body asks for rest.

⏱ 5 min read

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Digestion

What Happens to Food After You Eat It

From your first bite to energy your body can use.

⏱ 6 min read

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Brain

Do You Really Only Use 10% of Your Brain?

Let's clear up one of the biggest body myths.

⏱ 3 min read

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Why Learn Here?

Because understanding your body shouldn't feel overwhelming.

No medical jargon

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This site is designed for curious people, not medical students.

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