Random Body Facts

    64 facts tagged with Body Facts

    The human brain doesn't stop developing until about 25 years old.
    102
    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
    There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
    62
    Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
    118
    Your thumb is about the same size as your nose.
    124
    In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
    22
    The human sigh acts as a physiological reset button.
    23
    All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
    22