Random Human Facts

    96 facts tagged with Human Facts

    After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
    139
    Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
    93
    The adult human brain weighs about 3 pounds (1,300-1,400 g).
    99
    Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
    132
    It takes twice as long to lose new muscle if you stop working out than it did to gain it.
    127