Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Arm Injuries and Disorders ?
    ### Response:
    Of the 206 bones in your body, 3 of them are in your arm; the humerus, radius and ulna. Your arms are also made up of muscles, joints, tendons and other connective tissue. Injuries to any of these parts of the arm can occur during sports, a fall or an accident.
    