Random Human Body Facts

    45 facts tagged with Human Body Facts

    Yawns are more contagious among people with closer relationships.
    163
    The average sperm cell swims at 8 inches per hour.
    76
    Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
    92
    The average person's skin weighs twice as much as their brain.
    131
    Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
    118
    The human brain doesn't stop developing until about 25 years old.
    102