Random Brain Facts

    56 facts tagged with Brain Facts

    Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
    94
    After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
    139
    On average, there's 100 billion neurons in the human brain.
    83
    The adult human brain weighs about 3 pounds (1,300-1,400 g).
    99
    There are more nerve cells in the human brain than there are stars in the Milky Way.
    349