Facts about the human brain The average female brain has a volume of 1,131 cm3. The brain makes up about 2 percent of a human's body weight. The cerebrum makes up 85 percent of the brain's weight. It contains about 86 billion nerve cells (neurons) the "gray matter. pink brain as the chicago bean ICYMI: Neuroscience 2019 News. A PUBLIC INFORMATION INITIATIVE OF; The Kavli Foundation; Gats. Facebook; YouTube
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