Three physiological factors that can affect the color of skin are the volume of blood in dermal vessels, the amount of oxygen carried by the blood, and presence of carotene in the subcutaneous layer.

Question

Quizplus · Accepted Answer

These factors indeed influence skin color: blood volume affects the skin's redness, oxygen saturation impacts its brightness and hue, and carotene, a pigment found in certain foods, can give the skin a yellowish tint when deposited in the subcutaneous layer.

Three Physiological Factors That Can Affect the Color of Skin