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This is due to the fact that skin is the interface where heat is lost. Our body due to constant functioning, produces heat constantly as a by-product (due to exothermic reaction of ATP break mainly). The excess heat needs to be conducted away from the body, or it will cause a decrease in the body metabolism to prevent temperature rise. Heat is lost mainly ...


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Both pictures you posted show that increased peripheral vascular resistance decrease cardiac output. If you are talking about someone outdoors not properly dressed in a Scandinavian winter, then their cutaneous vasculature would constrict and Also their extremities would get less blood flow. That would increase peripheral vascular resistance and thus ...



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