Random Brain Facts

    56 facts tagged with Brain Facts

    10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
    108
    On average, there's 100 billion neurons in the human brain.
    83
    After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
    139
    The average person's skin weighs twice as much as their brain.
    131