Random Body Facts

    64 facts tagged with Body Facts

    After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
    55
    Sperm Made Every Heartbeat
    Sperm Made Every Heartbeat
    The human testicles can produce 1,500 sperm during every heartbeat.
    21
    Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
    -137
    If you hold farts in during the day, they'll just come out when you sleep.
    16
    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
    The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
    8
    The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
    21
    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