BONE MARROW
Bone marrow is a soft, highly vascularized tissue located inside the marrow cavities of bones. It is a key element of the human hematopoietic system, responsible for the production of blood cells such as erythrocytes, leukocytes, and platelets.
There are two types of bone marrow:
Red bone marrow: Active in hematopoiesis, occurs mainly in flat bones and the epiphyses of long bones.
Yellow bone marrow: It consists mainly of fat cells and is hematopoietically inactive.
Bone marrow is truly a gift of life. It is responsible for the production of blood cells: red blood cells, white blood cells, and platelets. The bone marrow of a healthy person produces hundreds of millions of cells daily. The bone marrow also contains so-called blood stem cells.
Although they make up 0.1% of all cells, they are very important. Some of them have the ability to regenerate themselves. The rest, by dividing, give rise to the next generations of cells. These eventually develop into mature blood cells, which leave the marrow and become part of our blood.

