Random Human Facts

    96 facts tagged with Human Facts

    Your fingernails grow faster in summer.
    744
    When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
    1k
    Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
    118
    Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
    132
    After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
    139