How do sweat glands in human skin primarily help regulate body temperature?

Explanation

Sweat glands help regulate body temperature by releasing sweat onto the surface of the skin, which then absorbs heat from the body as it evaporates, producing a cooling effect. This evaporative cooling mechanism becomes especially important during exercise or in hot environments, when the body needs to release excess heat to avoid overheating. High humidity can reduce the effectiveness of this cooling process because sweat evaporates more slowly when the surrounding air is already saturated with moisture. Explore more Everyday Science MCQs on mcqstutor to keep practicing.