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5 mind-blowing facts about the human brain Do you know… your brain can generate enough electricity to power a small light bulb? 💡 Fact 1: Your brain generates electricity ⚡ Fact 2: It’s about 75% water 💧 Fact 3: Your brain processes images in just 13 milliseconds ⚡ Fact 4: That “we only use 10% of our brain” myth is false ❌ Fact 5: Your brain feels no pain 🤯