When heat must be conserved to maintain a constant body temperature,the dermal blood vessels increase their diameter.

Question

Quizplus · Accepted Answer

When heat must be conserved to maintain a constant body temperature, the dermal blood vessels actually decrease their diameter to minimize heat loss. Conversely, when the body needs to dissipate heat, the dermal blood vessels increase their diameter to promote heat loss through the skin.

When Heat Must Be Conserved to Maintain a Constant Body