During childhood, almost every human bone produces red blood cells; as adults, red blood cell production is limited to the larger bones: the bodies of the vertebrae, the breastbone (sternum), the ribcage, the pelvic bones, and the bones of the upper arms and legs.
RJ (rapper) Rodney J. Brown Jr., better known by his stage name RJ, is a rapper from Los Angeles, California. A majority of his popularity stems from his frequent collaborations with both YG and DJ Mustard.
What is an RJ45 Connector? A registered jack (RJ) is a standardized physical network interface for connecting telecommunications or data equipment. The physical connectors that registered jacks use are mainly of the modular connector and 50-pin miniature ribbon connector types.