Random Human Body Facts

    45 facts tagged with Human Body Facts

    Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
    118
    Enamel is hardest substance in the human body.
    61
    Yawns are more contagious among people with closer relationships.
    163
    The human brain doesn't stop developing until about 25 years old.
    102
    If your DNA was stretched out it would reach to the moon 6,000 times.
    256