The role of skin in thermoregulation is vital for maintaining a stable internal temperature. The skin acts as a barrier and a sensory organ, helping to regulate body temperature through processes such as sweating and vasodilation. When the body overheats, sweat glands produce moisture that evaporates, cooling the skin. Conversely, when cold, blood vessels constrict to reduce heat loss, maintaining core body temperature. This regulation is crucial for overall health and homeostasis.