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.
Sequential hermaphroditism. Part of a series on. Sequential hermaphroditism (called dichogamy in botany) is a type of hermaphroditism that occurs in many fish, gastropods, and plants. Sequential hermaphroditism occurs when the individual changes sex at some point in its life. It can change from a male to female (protandry), or from female to male (protogyny) or from female to hermaphrodite (protogynous hermaphroditism), or from male to hermaphrodite (protandrous hermaphroditism).