B vitamins are water-soluble, meaning you can't store them away in your fat cells to use later; they need to be a regular part of your diet. Essential B vitamins for the digestive system include: 1  B1. 2  Also known as thiamine, B1 helps your body change the carbohydrates in your diet into energy for your cells and regulate appetite. 3  B3.
In adults: Red marrow is found mainly in the flat bones hip bone, breast bone, skull, ribs, vertebrae and shoulder blades In the cancellous (spongy) material at the proximal ends of the long bones femur and humerus. Yellow marrow is found in the medullary cavity the hollow interior of the middle portion of long bones.In a child, all bone marrow is red bone marrow and can be found in nearly all flat and long bones, including the epiphysis and diaphysis.As the child ages the red bone marrow in the diaphysis of the long bones will be replaced with yellow bone marrow.ellow marrow is found in the medullary cavity the hollow interior of the middle portion of long bones. In a child, all bone marrow is red bone marrow and can be found in nearly all flat and long bones, including the epiphysis and diaphysis.
Types of Bone Marrow. There are two types of bone marrow, red marrow and yellow marrow. Red bone marrow is found mostly in the ribs, skull, vertebrae, and pelvic bones. It is also the only type of bone marrow found in children. It is red because this is the type of marrow that produces red blood cells.one marrow is found in bones such as the sternum (breastbone), ribs, the pelvis and the skull. It is also found in the large bones of the arms (the humerus) and the legs (the femur). Some marrow is found in what is called spongy bone, which is different from the hard outer shell called compact bone.