EVERYDAY SCIENCE

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

Detailed explanation-2: -In adult humans, bone marrow is primarily located in the ribs, vertebrae, sternum, and bones of the pelvis. Bone marrow comprises approximately 5% of total body mass in healthy adult humans, such that a man weighing 73 kg (161 lbs) will have around 3.7 kg (8 lbs) of bone marrow.

Detailed explanation-3: -There are two types of human bone marrow: red bone marrow (myeloid tissue) and yellow bone marrow (fatty tissue).

Detailed explanation-4: -Red marrow is found mainly in the flat bones, such as the hip bone, sternum (breast) bone, skull, ribs, vertebrae, and shoulder blades, as well as in the metaphyseal and epiphyseal ends of the long bones, such as the femur, tibia, and humerus, where the bone is cancellous or spongy.

Detailed explanation-5: -This type of bone marrow is found mostly in your flat bones, like your pelvis, scapula, skull, and sternum. Red bone marrow has stem cells that grow into red blood cells, white blood cells, and platelets.