Brain power - PMC - National Center for Biotechnology Information
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8364152/
Aug 8, 2021 · The human brain is just 2% of the body’s weight, but 20% of its metabolic load ( 1 – 3 ), and 10 times more expensive per gram than muscle. On the other hand, the brain manages to produce poetry, design spacecraft, and create art on an energy budget of ∼ 20 W, a paltry sum given that the computer on which this article is being typed ...
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