B1 - Homeostasis 0.0 / 5 ? BiologyHomeostasisGCSEOCR Created by: RachelcfxCreated on: 29-04-16 17:06 What is homeostasis? Maintaining a CONSTANT INTERNAL ENVIRONMENT. 1 of 6 What things do you use homeostasis to balance inputs/outputs? Levels of CO2, Water, Body temperature. 2 of 6 What is body temperature controlled by? The brain. 3 of 6 What is the AVERAGE OPTIMUM TEMPERATURE for enzymes in the body? 37 degrees celsius. 4 of 6 What happens to your body when you're too hot? Hairs lie flat, Sweat, Blood vessels widen. 5 of 6 What happens to your body when you're too cold? Hairs stand on end, little sweat, blood vessels constrict, shiver. 6 of 6
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