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.
By Karen Sternheimer. One of the first lessons of sociology is recognizing the difference between micro and macro level phenomena. (Micro refers to small-scale, individual or small group interactions, while macro refers to large scale processes). But how the two overlap and intersect is equally as important. Walking is a great way to understand the relationship between micro and macro level phenomena. Micro-level issues include personal motivations, identity, the body, and our interactions with people around us: all of which walking reflects.