The aorta, a large blood vessel responsible for transporting oxygenated blood from the heart to the rest of the body, plays a ...

National income accounting is a bookkeeping system that a government uses to ... prepares and publishes data on national income accounts. Examples of national income accounts published by the ...

Body fluids and circulation: Composition of blood, blood groups, coagulation of blood; Composition of lymph and its function; Human circulatory system-Structure of human heart and blood vessels ...

Peter Morici is a columnist for MarketWatch. He is an economist and professor at the Smith School of Business of the University of Maryland. Follow him on Twitter @pmorici1.