Random Human Body Facts

    45 facts tagged with Human Body Facts

    Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
    118
    Every year your body replaces 98% of your atoms.
    119
    Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
    111
    It takes about 20 seconds for a red blood cell to circle the whole body.
    102
    Enamel is hardest substance in the human body.
    61