− | The cancellous part of the bone contains bone marrow. It produces blood cells including red blood cells, platelets and white blood cells. This process is called as hematopoiesis. | + | The cancellous part of the bone contains bone marrow. It produces blood cells including red blood cells, platelets and white blood cells. This process is called as hematopoiesis.<ref>Fernández, KS; de Alarcón, PA (December 2013). "Development of the hematopoietic system and disorders of hematopoiesis that present during infancy and early childhood". Pediatric Clinics of North America. 60 (6): 1273–89. doi:10.1016/j.pcl.2013.08.002. PMID 24237971</ref> |