Random Human Body Facts

    45 facts tagged with Human Body Facts

    Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
    118
    The adult human brain weighs about 3 pounds (1,300-1,400 g).
    99
    Enamel is hardest substance in the human body.
    61
    Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
    92
    Yawns are more contagious among people with closer relationships.
    163
    The human brain uses approximately as much energy as a 10 watt light bulb.
    120