Random Body Facts

    64 facts tagged with Body Facts

    Held in farts enter your bloodstream and are bad for your body.
    26
    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
    The average person's skin weighs twice as much as their brain.
    131
    If you hold farts in during the day, they'll just come out when you sleep.
    16
    Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
    118
    Your thumb is about the same size as your nose.
    124
    The human brain doesn't stop developing until about 25 years old.
    102
    The adult human brain weighs about 3 pounds (1,300-1,400 g).
    99