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0.0000000010000280 megatonnes is about three-fourths as heavy as a Human Brain
In other words, it's 0.7410 times the weight of a Human Brain, and the weight of a Human Brain is 1.350 times that amount.
The average weight of an adult human brain is between 0.000000001350 megatonnes. In humans and primates, sight and vision utilize about 30 different parts of the brain which together account for about half of the brain's size.
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