Random Human Body Facts

    45 facts tagged with Human Body Facts

    Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
    18
    Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
    118
    Enamel is hardest substance in the human body.
    61
    If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
    22
    If your liver stopped working, you'd die within 24 hours.
    107
    Our Right Lungs takes more air than our left lung.
    194
    The human body contains over a billion miles of DNA.
    147
    The average sperm cell swims at 8 inches per hour.
    76