Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Back Injuries ?
    ### Response:
    Your back is made of bones, muscles, and other tissues extending from your neck to your pelvis. Back injuries can result from sports injuries, work around the house or in the garden, or a sudden jolt such as a car accident. The lower back is the most common site of back injuries and back pain.
    