Random Human Body Facts

    45 facts tagged with Human Body Facts

    It takes twice as long to lose new muscle if you stop working out than it did to gain it.
    127
    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
    After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
    55