Random Body Facts

    64 facts tagged with Body Facts

    Hypnic Jerk
    Hypnic Jerk
    When you wake up with a jolt, it's called a Hypnic Jerk. This usually happens during the lightest stages of sleep, and can happen as a natural reaction when you fall asleep in a car or airplane.
    35
    Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
    118
    There are about 1,400 different species of bacteria in your belly button.
    10
    The average sperm cell swims at 8 inches per hour.
    76
    In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
    22
    The average person's skin weighs twice as much as their brain.
    131
    Your heart will pump about 212 million liters in its lifetime.
    26
    Held in farts enter your bloodstream and are bad for your body.
    26