Random Human Body Facts

    45 facts tagged with Human Body Facts

    The adult human brain weighs about 3 pounds (1,300-1,400 g).
    99
    Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
    193
    After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
    55
    Enamel is hardest substance in the human body.
    61
    The average person's skin weighs twice as much as their brain.
    131
    It takes about 20 seconds for a red blood cell to circle the whole body.
    102
    Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
    -137