Multiple choice general knowledge science & technology What is the body temperature of a normal man? 81.1 deg C 36.9 deg C 98.6 deg C 21.7 deg C Reveal answer Fill a bubble to check yourself B Correct answer Explanation Normal human body temperature is approximately 36.9°C (98.6°F). This is the average oral temperature, though it can vary slightly based on time of day, age, and measurement method.