Random Human Body Facts

    45 facts tagged with Human Body Facts

    Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
    118
    Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
    197
    The average person's skin weighs twice as much as their brain.
    131
    Enamel is hardest substance in the human body.
    61