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
    Sperm Made Every Heartbeat
    Sperm Made Every Heartbeat
    The human testicles can produce 1,500 sperm during every heartbeat.
    21
    If your DNA was stretched out it would reach to the moon 6,000 times.
    256
    Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
    32
    The average sperm cell swims at 8 inches per hour.
    76
    You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
    17
    In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
    22
    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.
    22