The tiny blood vessels which get blood to your toes, fingers, ears and nose constrict, forcing additional oxygen to your major organs and reducing the risk of blood loss in case a limb were to get chopped off.!Of course, this leaves you with cold hands and feet (and perhaps a cold nose and ears as well), along with numbness and tingling.
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mmartin048 - (no access) - 1ActivationStrategies.pdf, p6
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