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 you are cold you are more likely to be hungry because you use energy to keep warm.
    143
    The adult human brain weighs about 3 pounds (1,300-1,400 g).
    99
    The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
    13
    Within three days of death, the enzymes that once digested your food begin to eat you.
    22
    Tooth growing out of foot
    Tooth growing out of foot
    In 1977, a 13-year-old boy had a tooth growing out of his left foot.
    885
    In one day, adult lungs move about 10,000 litres of air.
    11