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
    Singing Health Benefits
    Singing Health Benefits
    Singing exercises your heart, lungs, and releases endorphins which make you feel good.
    65
    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
    Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
    24
    For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
    515
    There's 100 trillion good bacteria living in your body.
    17
    The average sperm cell swims at 8 inches per hour.
    76
    The human brain doesn't stop developing until about 25 years old.
    102