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
    The adult human brain weighs about 3 pounds (1,300-1,400 g).
    99
    Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
    92
    Your thumb is about the same size as your nose.
    124
    The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
    13
    Our eyes are always the same size from birth, but our nose and ears never stop growing.
    266
    The average sperm cell swims at 8 inches per hour.
    76
    A human being loses an average of 40 to 100 strands of hair a day.
    133