Random Human Body Facts

    45 facts tagged with Human Body Facts

    Yawns are more contagious among people with closer relationships.
    163
    Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
    111
    Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
    197
    Enamel is hardest substance in the human body.
    61
    After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
    55
    The adult human brain weighs about 3 pounds (1,300-1,400 g).
    99