Random Human Facts

    96 facts tagged with Human Facts

    Yawns are more contagious among people with closer relationships.
    163
    Sperm Made Every Heartbeat
    Sperm Made Every Heartbeat
    The human testicles can produce 1,500 sperm during every heartbeat.
    21
    It takes twice as long to lose new muscle if you stop working out than it did to gain it.
    127
    The average sperm cell swims at 8 inches per hour.
    4
    If your liver stopped working, you'd die within 24 hours.
    107
    Teenage Laziness is Natural, Not Bad Behavior
    Research suggests that laziness is just a natural part of being a teenager and doesn't reflect bad behavior.
    324
    In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
    198
    A human being loses an average of 40 to 100 strands of hair a day.
    133