What is the normal human body temperature in Fahrenheit?
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The Fahrenheit equivalent of normal human body temperature is a frequently tested value in competitive exams. Option A (96.6°F) is incorrect — 96.6°F corresponds to approximately 35.9°C, which is slightly below the lower end of the normal body temperature range. A body temperature of 96.6°F would begin to indicate mild hypothermia or the person may be running a slightly subnormal temperature. Option B (97.6°F) is incorrect — 97.6°F corresponds to approximately 36.4°C, which is at the lower end of the normal range but is not the standard accepted normal body temperature value used in competitive exams and medical textbooks. Option C (98.6°F) is CORRECT — the normal human body temperature is 98.6°F = 37°C = 310 K. This is the standard internationally accepted value. The conversion confirms it: F = (9/5 × 37) + 32 = (9/5 × 37) + 32 = 66.6 + 32 = 98.6°F. The image's conversion table lists: मानव शरीर का सामान्य ताप = 37°C = 98.6°F = 310 K. This value was established by Carl Wunderlich in the 19th century. Option D (100°F) is incorrect — 100°F corresponds to approximately 37.8°C, which is above the normal range. In the Fahrenheit scale, 100.4°F (38°C) is the accepted threshold for fever. 100°F is close to fever territory but is not the normal body temperature. For exams: always remember 37°C = 98.6°F = 310 K as a set.
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Heat is a form of energy that transfers between objects or systems due to a temperature difference, moving from a hotter body to a cooler one until thermal equilibrium is reached.
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