A scientist wants to study how the body uses foods and fluids during a marathon run

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When considering a scientist who is interested in studying how the human body utilizes foods and fluids during a marathon, we are essentially looking at a field of study that focuses on the body's physiological responses to prolonged and intense physical activities. This area of expertise involves understanding how various body systems, such as the cardiovascular and respiratory systems, work under the stress of endurance sports. It also encompasses analyzing how energy is produced and utilized, and how hydration is maintained during these activities. The field is closely aligned with sports science and is integral to optimizing athletic performance and health during high endurance events like marathons.