Overview The use of manipulatives in teaching mathematics has a long tradition and solid research history.
Red bone marrow is the active portion that produces red blood cells, while yellow bone marrow contains fat cells. In adults the red bone marrow is located in the flat bones, such as the upper hip bones, known as the pelvic girdle, and the sternum.
Red marrow is found in flat bones, such as the hip bone, breast bone, skull, ribs, vertebrae, and shoulder blades. It is also found in the cancellous (spongy) material at th â¦ e epiphyseal ends of the long bones such as the femur and humerus.ed marrow is found in flat bones, such as the hip bone, breast bone, skull, ribs, vertebrae, and shoulder blades. It is also found in the cancellous (spongy) material at th â¦ e epiphyseal ends of the long bones such as the femur and humerus.