Random Human Facts

    96 facts tagged with Human Facts

    The human brain uses approximately as much energy as a 10 watt light bulb.
    120
    The adult human brain weighs about 3 pounds (1,300-1,400 g).
    99
    Enamel is hardest substance in the human body.
    61
    A person can live without food for about a month, but only about a week without water.
    156