Medical Definition of Red blood cells. Red blood cells: The blood cells that carry oxygen. Red cells contain hemoglobin and it is the hemoglobin which permits them to transport oxygen (and carbon dioxide). Hemoglobin, aside from being a transport molecule, is a pigment. It gives the cells their red color (and their name).
Alexander Milne Calder (August 23, 1846 â June 4, 1923) was a Scottish American sculptor best known for the architectural sculpture of Philadelphia City Hall. Both his son, Alexander Stirling Calder, and grandson, Alexander Sandy Calder, became significant sculptors in the 20th century.
The man who designed Titanic was born in Ballymena, Co. Antrim on 8 July 1854. Alexander Montgomery Carlisle, eldest of five children and the son of John Carlisle, Headmaster of the Royal Belfast Academical Institution, was educated at his fatherâs school.