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.
Bone marrow. This is soft tissue found mainly inside the long bones of the arms and legs, the vertebrae, and the pelvic bones of the body. It is made up of red marrow, which produces red and white blood cells and platelets, and yellow marrow, which contains fat and connective tissue and produces some white blood cells. The spleen, which filters the blood by removing old or damaged blood cells and platelets and helps the immune system by destroying bacteria and other foreign substances. White blood cells. These blood cells are made in the bone marrow and protect the body against infection.