Heat loss from the body depends mostly on: (A) Thermoregulatory centre, (B) Warming of air during inspiration, (C) Environmental temperature, (D) Radiation and evaporation
Answer is C. The major factor effecting heat loss from the body are environmental conditions Radiation is the most common way by which heat is lost o the external environment Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:856,857,858