How much heat is produced when 10mg protein under body metabolism?

The heat produced during the metabolism of protein depends on several factors, including the type of protein and the metabolic pathways involved. On average, the metabolism of protein releases about 4 kcal of energy per gram. Therefore, metabolizing 10 mg (0.01 g) of protein would produce approximately 0.04 kcal, which can be converted to joules (1 kcal ≈ 4.184 kJ), yielding about 0.167 kJ of heat. This amount of heat is relatively small compared to energy derived from carbohydrates and fats.