Physiology is the science of life. It is the branch of biology that aims to understand the mechanisms of living things, from the basis of cell function at the ionic and molecular level to the integrated behaviour of the whole body and the influence of the external environment, Physiology majors take on a general study of the body, with a special focus on the way body parts and systems work to keep it alive. Topics of instruction include reproduction, growth, breathing, digestionSpecialties and subdivisions of physiology include cell physiology, special physiology, systemic physiology, and pathological physiology, often called simply pathologyPhysiology is one of the basic sciences physicians will have studied in pursuit of their medical degree. ... In short, a physiologist is very respectable, but his/her focus is on his/her field of study. They have no education or training in clinical medicine.