Random Body Facts

    64 facts tagged with Body Facts

    Your thumb is about the same size as your nose.
    124
    After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
    55
    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
    Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
    197
    The human body contains over a billion miles of DNA.
    147
    A person can live without food for about a month, but only about a week without water.
    156
    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.
    21
    The human brain uses approximately as much energy as a 10 watt light bulb.
    120