A Light-Skinned Person May Appear Pink When They Become Over

A light-skinned person may appear pink when they become over heated. The best explanation for this is________ .

A) blood flow has increased to the sweat glands in order to increase their metabolic activity
B) the heart is pumping faster because the person was probably exercising
C) the melanocytes are responding to the heat of the sun and change the appearance of the skin with increased production
D) the blood vessels of the dermis have undergone vasodilation, bringing a greater volume of blood to the skin