Intravenous administration of a hypotonic solution or plain distilled water will also destroy red blood cells by causing them to fill with fluid until their membranes rupture. In a transfusion reaction or in erythroblastosis fetalis, incompatibility causes the red blood cells to clump together. The agglutinated cells become trapped in the smaller vessels and eventually disintegrate, releasing hemoglobin into the plasma.
For the skate brand of the same name, see Roller Derby (brand). Roller derby is a contact sport played by two teams of five members roller skating in the same direction around a track. Game play consists of a series of short match ups (jams) in which both teams designate a jammer who scores points by lapping members of the opposing team.
Joan Weston. Joan Weston or Joanie Weston (January 20, 1935 â May 10, 1997), known as the Blonde Bomber, Blonde Amazon, Golden Girl, and Roller Derby Queen, was a U.S. athlete and was the most famous personality in the original Roller Derby. Biography. Weston was born in Huntington Beach, California, in 1935, and grew up in nearby Downey.