There are approximately 11,000 active licensed Customs brokers in the United States. Corporations, partnerships and associations must have a broker license to transact Customs business. Each of these businesses must have at least one individually licensed officer, partner or associate to qualify the company's license.
Bone marrow is the flexible tissue in the interior of bones. In humans, red blood cells are produced by cores of bone marrow in the heads of long bones in a process known as hematopoiesis.On average, bone marrow constitutes 4% of the total body mass of humans; in an adult weighing 65 kilograms (143 lb), bone marrow typically accounts for approximately 2.6 kilograms (5.7 lb).he two types of bone marrow are red marrow (Latin: medulla ossium rubra), which consists mainly of hematopoietic tissue, and yellow marrow (Latin: medulla ossium flava), which is mainly made up of fat cells.
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.