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 [edit]. A 1GB DDR RAM memory module. RAM stands for Random Access Memory and is a type of chip used in primary storage memory. It is also temporary storage, holding software instructions and short-term working memory for the processor. RAM can be increased in most computers by using the expandable memory slots.