During intense exercise, temperature regulation occurs through a combination of vasodilation, sweating, and increased respiration. As the body's metabolism ramps up, heat production increases, necessitating effective cooling mechanisms. Sweating helps dissipate heat through evaporation, while vasodilation increases blood flow to the skin, allowing excess heat to escape. Additionally, enhanced breathing rate facilitates the release of heat through exhaled air. Maintaining an optimal body temperature is essential for performance, as overheating can lead to fatigue and heat-related illnesses.