EVERYDAY SCIENCE

Detailed explanation-1: -Red bone marrow contains blood stem cells that can become red blood cells, white blood cells, or platelets. Yellow bone marrow is made mostly of fat and contains stem cells that can become cartilage, fat, or bone cells.

Detailed explanation-2: -Bone marrow makes the components of your blood that you need to survive. Bone marrow produces red blood cells that carry oxygen, white blood cells that prevent infection and platelets that control bleeding.

Detailed explanation-3: -Bone marrow is spongy tissue in the middle of certain bones. Most blood cells are made in your bone marrow. This process is called haemopoiesis.

Detailed explanation-4: -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. Red blood cells carry oxygen to tissues in the body.

Detailed explanation-5: -The bone marrow normally produces mature red blood cells and the hemoglobin in these cells carry oxygen to the tissues in your body. The percentage of red blood cells in the total blood volume is called the hematocrit. In healthy women the hematocrit is 36% to 46% while in healthy men the hematocrit is 40% to 52%.