Random Human Body Facts

    45 facts tagged with Human Body Facts

    Yawns are more contagious among people with closer relationships.
    163
    Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
    193
    Every year your body replaces 98% of your atoms.
    119
    It takes about 20 seconds for a red blood cell to circle the whole body.
    102