Iron deficiency anemia  causing blue skin under the eyes. If there is a shortage of iron in the body, oxygen cannot be properly transported by the blood. Hemoglobin is the oxygen transporting component in the blood, moving oxygen from the lungs to the cells where it is released for normal cell metabolism.
ramrod straight [person] meaning, ramrod straight [person] definition | English Cobuild dictionary. ramrod. 1 n-count A ramrod is a long, thin rod which can be used for pushing something into a narrow tube. Ramrods were used, for example, for forcing an explosive substance down the barrel of an old-fashioned gun, or for cleaning the barrel of a gun.
RAM (Random Access Memory) A type of computer memory circuit that holds data, program instructions and the operating system while the computer is on. RAM holds raw data that is waiting to be processed, as well as the instructions that will process the raw data. In addition, RAM holds processed data before it is stored more permanently on disk.