Random Human Body Facts

    45 facts tagged with Human Body Facts

    Enamel is hardest substance in the human body.
    61
    The human brain doesn't stop developing until about 25 years old.
    102
    It takes twice as long to lose new muscle if you stop working out than it did to gain it.
    127
    The average person's skin weighs twice as much as their brain.
    131
    The human brain uses approximately as much energy as a 10 watt light bulb.
    120