A human heart is a great example of an effective supply chain management system. To the unsuspecting owner, it transparently replenishes the blood supply by providing red oxygen-rich blood into circulation, and retrieving. When demand for oxygen to the muscular system increases, the heart rate increases as well, furiously pumping through four chambers each with a series of valves and flaps which restrict blood flow in one direction. When demand is decreased, the heart rests, pumping slower as required. …
