Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Hemophilia ?
    ### Response:
    Espaol
                
Hemophilia (heem-o-FILL-ee-ah) is a rare bleeding disorder in which the blood doesn't clot normally.
                
If you have hemophilia, you may bleed for a longer time than others after an injury. You also may bleed inside your body (internally), especially in your knees, ankles, and elbows.
    