This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'When an individual is resting in a room with the air temperature 21°C and the humidity of 80%, the greatest amount of heat loss from the body is by \nSelect and explain. \nA. Elevation of body metabolism, B. Vaporisation of sweat, C. Respiration, D. Radiation and conduction', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The most important mechanism for heat loss when the environmental temperature is higher than the body temperature- Sweating\nThe most important mechanism for heat loss when the environmental temperature is lower than the body temperature- Radiation and conduction', 'role': 'assistant'}]