Random Human Body Facts

    45 facts tagged with Human Body Facts

    The human brain doesn't stop developing until about 25 years old.
    102
    The average sperm cell swims at 8 inches per hour.
    76
    It takes about 20 seconds for a red blood cell to circle the whole body.
    102
    After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
    55
    Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
    -137
    Your thumb is about the same size as your nose.
    124
    The human body contains over a billion miles of DNA.
    147