"The adult male human brain typically weighs between 1,300 grams and 1,400 grams (2.87 to 3.08 pounds), making up roughly 2 percent of total body mass. Adult female brains weigh 100 to 150 grams (0.22 to 0.33 pounds) less than adult male brains. Brain weight varies by age, sex, and individual physiology. Men tend to have a slightly larger and heavier brain than women have, although this difference does not correlate with intelligence."
https://www.britannica.com/topic/How-Much-Does-a-Human-Brain-Weigh







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