The Caspian Sea is the largest land enclosed surface water body on Earth by surface area, which amounts to approximately 371,000 square kilometres. It is in an endorheic basin bounded on the south by Iran, on the north by Russia, on the east by Kazakhstan and Turkmenistan, and on the west by Azerbaijan.
Medical Definition of physiatrist. : a physician who specializes in physical medicine and rehabilitation.
A physiologist is a person who has received formal training in physiology, which is the study of how plants, animals, and cells function on a biological level. The field is very broad and people can choose to specialize in many different areas. As applied to humans, the field is usually really closely related to medicine.