Blood can either be shunted from the systemic circulation to pulmonary circulation (left-to-right shunt) or between the pulmonary circulation and systemic circulation (right-to-left shunt).
A BLUF (Bottom Line Up Front) is a paragraph where the conclusions and recommendations are placed at the beginning of the text, rather than the end, in order to facilitate rapid decision making. This differs from an older, more-traditional style in which conclusions and recommendations are included at the end, following the arguments and considerations of facts.
ASBC is acceptable on second reference. air and space expeditionary force. AEF is the correct abbreviation and is. acceptable on second reference. air and space force Preferred term vs. aerospace force. air base Capitalize when used in. conjunction with a base: Misawa Air Base. AB is acceptable in conjunction with a. second reference to a base: Misawa AB.