Random Human Body Facts

    45 facts tagged with Human Body Facts

    For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
    515
    The adult human brain weighs about 3 pounds (1,300-1,400 g).
    99
    The average sperm cell swims at 8 inches per hour.
    76
    It takes twice as long to lose new muscle if you stop working out than it did to gain it.
    127
    The average person's skin weighs twice as much as their brain.
    131
    One human hair can support 3 ounces.
    191
    If your liver stopped working, you'd die within 24 hours.
    107
    An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
    73