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Is 410,000,000,000 nanograms as heavy as a Human Brain?

It's about three-tenths as heavy as a Human Brain
The weight of a Human Brain is about 1,350,000,000,000 nanograms.
(adult)
The average weight of an adult human brain is between 1,350,000,000,000 nanograms. 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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