The coronary circulation consists of the coronary arteries, which branch off of the aorta and carry oxygen-rich blood to the heart muscle; and coronary veins, which carry deoxygenated blood to the coronary sinus, which empties into the right atrium.he coronary circulation consists of the coronary arteries, which branch off of the aorta and carry oxygen-rich blood to the heart muscle; and coronary veins, which carry deoxygenated blood to the coronary sinus, which empties into the right atrium.
Quick Answer. The differences between micro- and macro-marketing pertain to the scope of a businessâ approach. Macro-marketing takes a global view while micro-marketing works on a smaller scale. Continue Reading.
A business and its forces in its micro environment operate in larger macro environment of forces that shape opportunities and pose threats to the business. It refers the major external and uncontrollable factors that influence an organization's decision making, and affect its performance and strategies. business and its forces in its micro environment operate in larger macro environment of forces that shape opportunities and pose threats to the business. It refers the major external and uncontrollable factors that influence an organization's decision making, and affect its performance and strategies.