Biology unit 1 0.0 / 5 ? BiologyHomeostasisGCSEEdexcel Created by: Asmahussein14Created on: 28-09-15 21:05 Homeostasis regulating internal body temperature 1 of 5 What happens to your body when the temperature goes above normal temperature when your body tempersture is too hot erector muscles relax your hairs lie flat. sweat glands produce lots of sweat and vasodilation occurs 2 of 5 Vasodilation widening of blood vessels 3 of 5 vasconstriction narrowing of blood vessels 4 of 5 when you're too cold erector muscles contract hairs stand up on the end to trap insulating layer of air. vasoconstriction occurs 5 of 5
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