![psychological🥀 on X: "the adult human brain is about 2% of total body weight https://t.co/nQmaZfTgwI" / X psychological🥀 on X: "the adult human brain is about 2% of total body weight https://t.co/nQmaZfTgwI" / X](https://pbs.twimg.com/media/EnEwEAHW4AICA2k.jpg)
psychological🥀 on X: "the adult human brain is about 2% of total body weight https://t.co/nQmaZfTgwI" / X
![Why our brains weigh 1.3 kilograms, have ~100 billion neurons, consume 20% of the oxygen we breathe - SharpBrains Why our brains weigh 1.3 kilograms, have ~100 billion neurons, consume 20% of the oxygen we breathe - SharpBrains](https://sharpbrains.com/wp-content/uploads/2011/01/BrainFiring1-e1294076532211.jpg)
Why our brains weigh 1.3 kilograms, have ~100 billion neurons, consume 20% of the oxygen we breathe - SharpBrains
![Roberto GarcĂa-Roa on X: "Biologically, bigger bodies demand bigger brains (i.e. they scale allometrically), and hence traditionally we have compared brain size across species by comparing brain/body weight ratios. https://t.co/6cAqlUYgbc" / X Roberto GarcĂa-Roa on X: "Biologically, bigger bodies demand bigger brains (i.e. they scale allometrically), and hence traditionally we have compared brain size across species by comparing brain/body weight ratios. https://t.co/6cAqlUYgbc" / X](https://pbs.twimg.com/media/EJ5f3ksWkAUUZSP.jpg)
Roberto GarcĂa-Roa on X: "Biologically, bigger bodies demand bigger brains (i.e. they scale allometrically), and hence traditionally we have compared brain size across species by comparing brain/body weight ratios. https://t.co/6cAqlUYgbc" / X
![Brain Model, Light Weight And Easy To Carry, Human Brain, Model for Home School : Amazon.in: Toys & Games Brain Model, Light Weight And Easy To Carry, Human Brain, Model for Home School : Amazon.in: Toys & Games](https://m.media-amazon.com/images/I/51KTjc4zwHL._AC_UF1000,1000_QL80_.jpg)
Brain Model, Light Weight And Easy To Carry, Human Brain, Model for Home School : Amazon.in: Toys & Games
GREEN DOT International School - The human brain is incredible! It makes up only 2% of the human's weight but requires 20% of the body's oxygen! It even takes 15% of the
![PDF] Age and Sex Related Changes in Weight of the Whole brain: a Postmortem Study | Semantic Scholar PDF] Age and Sex Related Changes in Weight of the Whole brain: a Postmortem Study | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/b8bf0bb3114d052110c5936e0fa8c022a7d15d88/2-Figure1-1.png)