Random Human Body Facts

    45 facts tagged with Human Body Facts

    The average sperm cell swims at 8 inches per hour.
    76
    Enamel is hardest substance in the human body.
    61
    Our Right Lungs takes more air than our left lung.
    194
    Our eyes are always the same size from birth, but our nose and ears never stop growing.
    266
    The human brain doesn't stop developing until about 25 years old.
    102