During light activity, a 70-kg person may generate 200 kcal/h. Assuming that 20% of this goes into

Question:

During light activity, a 70-kg person may generate 200 kcal/h. Assuming that 20% of this goes into useful work and the other 80% is converted to heat, estimate the temperature rise of the body after 45 min if none of this heat is transferred to the environment.