Random Human Facts

    96 facts tagged with Human Facts

    Pain occurs when sounds are above 130 db.
    123
    On average, there's 100 billion neurons in the human brain.
    83
    Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
    132
    Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
    111
    It takes about 20 seconds for a red blood cell to circle the whole body.
    102