General and Sub-ledgers As the main accounting record, the general ledger is created first. It is organized by account, with each numbered in a series, and each number is typically five to six digits long.
Paucity of vasculature. In adults, red bone marrow is primarily found in the flat bones, such as the pelvic girdle and the sternum. In children, it is found in the medullary cavity of the long bones, such as the femur.
Bone Marrow. Bone marrow is a spongy substance found in the center of the bones. It manufactures bone marrow stem cells and other substances, which in turn produce blood cells. Each type of blood cell made by the bone marrow has an important job: 1  Red blood cells carry oxygen to tissues in the body.