Random Human Body Facts

    45 facts tagged with Human Body Facts

    Enamel is hardest substance in the human body.
    61
    Yawns are more contagious among people with closer relationships.
    163
    After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
    55
    Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
    -137
    Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
    197
    All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
    266