Random Human Body Facts

    45 facts tagged with Human Body Facts

    Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
    197
    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