Random Human Body Facts

    45 facts tagged with Human Body Facts

    It takes about 20 seconds for a red blood cell to circle the whole body.
    102
    It takes twice as long to lose new muscle if you stop working out than it did to gain it.
    127
    There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
    62