When the body responds by dilating superficial vessels in the skin, blood comes toward the surface of the skin. This allows the release of heat to allow cooling.
- The sweat glands start to produce more perspiration when the body temperature rises, as it does during physical activity on a hot day.
- The body is cooled via heat loss caused by sweat evaporation from the skin's surface.
- The skin's blood vessels dilate and expand, either releasing or trapping heat. Our skin contains roughly 3 million sweat glands, and when they grow, blood flow increases and heat is given to it.
- The dermal blood arteries nourish the skin and assist in controlling body temperature.
- The blood vessels enlarge (dilate) in response to heat, allowing a lot of blood to flow close to the skin's surface where the heat can be dissipated. blood vessels narrow (constrict), the cold retaining the body's heat.
learn more about skin's blood vessels here: https://brainly.com/question/6235443
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