if you have your actors go into a real place of business you will need a Location Release The Location Release says that the owners give you permission to shoot on their property. The Filming Permit is a legal document generated by a governmental body (like the City of LA) that gives you permission to shoot a film in that city.
1 Bone marrow: the tissue in the middle of bones that creates red and white blood cells 2  ... Compact bone: the heaviest, hardest type of bone in the body. 3  Lining cell: flat cells that make up and cover the outer layer of bone. 4  Marrow: a soft tissue found inside bones. 5  Osteoblast: cells make new bone.
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.