Random Human Facts

    96 facts tagged with Human Facts

    After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
    139
    Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
    -137
    Enamel is hardest substance in the human body.
    61
    On average, there's 100 billion neurons in the human brain.
    83
    The human eye blinks an average of 4,200,000 times a year.
    233