It has long been known that Oxygen is extremely vital to animal life. The mitochondria inside of virtually all cells require oxygen in order to convert food into vital energy. With the 1938 Nobel Prize in Physiology or Medicine, it was discovered that cells in the the caratoid body (near the cartoroid artery) senses oxygen levels and sends information to the brain to control respiratory rate. Last week, the 2019 Nobel Prize Award in Physiology or Medicine was awarded to a gro