EVERYDAY SCIENCE

Detailed explanation-1: -The soft, spongy tissue that has many blood vessels and is found in the center of most bones. There are two types of bone marrow: red and yellow. Red bone marrow contains blood stem cells that can become red blood cells, white blood cells, or platelets.

Detailed explanation-2: -Long bones contain yellow bone marrow and red bone marrow, which produce blood cells. A long bone is a bone that has a shaft and 2 ends and is longer than it is wide. Long bones have a thick outside layer of compact bone and an inner medullary cavity containing bone marrow.

Detailed explanation-3: -Most blood cells are made in your bone marrow. This process is called haemopoiesis. In children, haemopoiesis takes place in the long bones, like the thighbone (femur). In adults, it’s mostly in the spine (vertebrae) and hips, ribs, skull and breastbone (sternum).

Detailed explanation-4: -Bone marrow makes stem cells, which produce platelets and white and red blood cells.