Your Brain Uses More Power Than a 10-Watt Light Bulb

Despite making up only about 2% of your body weight, the brain consumes around 20% of the body's total oxygen and calories. It's an incredibly energy-intensive organ, constantly active even during sleep, managing countless functions.

Source

https://en.wikipedia.org/wiki/Human_brain

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Published: March 26, 2026
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Biology Brain Cognition Science Human Body Metabolism Energy Consumption Neurology

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