Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Bone Marrow Diseases ?
    ### Response:
    Bone marrow is the spongy tissue inside some of your bones, such as your hip and thigh bones. It contains stem cells. The stem cells can develop into the red blood cells that carry oxygen through your body, the white blood cells that fight infections, and the platelets that help with blood clotting.
    