Random Human Body Facts

    45 facts tagged with Human Body Facts

    The average sperm cell swims at 8 inches per hour.
    76
    After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
    55
    Every year your body replaces 98% of your atoms.
    119
    If you are cold you are more likely to be hungry because you use energy to keep warm.
    143