Random Body Facts

    64 facts tagged with Body Facts

    There's 100 trillion good bacteria living in your body.
    17
    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 brain doesn't stop developing until about 25 years old.
    102
    You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
    17
    The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
    112
    There are about 1,400 different species of bacteria in your belly button.
    10
    After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
    55