Which of the choices listed below are CORRECT statements about how the skin regulates body temperature?
1. Evaporation of sweat from the skin surface results in cooling of the body.
2. Increased flow of blood to the skin results in increased radiation of heat from the skin.
3. Dilation of dermal blood vessels in response to increased body temperature increases heat loss from the skin surface.
4. Constriction of dermal blood vessels in response to increased body temperature increases heat loss from the skin surface
A. 1.2
B. 1,2,3
C. 2,4
D. 2,3,4
E. 1,3,4