Apush Dbq Essay

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Name: Dillan Taylor - Human Homeostasis Vocabulary: dehydration, heat stroke, homeostasis, hypothermia, involuntary, thermoregulation, voluntary Prior Knowledge Questions (Do these BEFORE using the Gizmo.) A thermostat is a device that regulates the temperature inside a building. 1. What does a thermostat do if it gets too cool? ____blows out hot air_________ 2. What does a thermostat do if it gets too hot? _______stops blowing hot air_____________ 3. How do our bodies sometimes act like a thermostat? _______in homeostasis, negative feedback is used in the same way, by increasing the stimulus until it is excessive and then decreasing or stopping___________________________________________________ _______________________________________________ Gizmo Warm-up To survive, an organism must be able to maintain stable internal conditions in a changing environment. This process is called homeostasis. The Human Homeostasis Gizmo™ allows you to explore how the human body stays at a nearly constant temperature in different conditions. Notice the Air temp. and Body temp. thermometers representing the air temperature and body temperature. 1. What is the initial air temperature? __32 degrees Fahrenheit____ 2. What is the initial body temperature? __99 degrees Fahrenheit______ 3. Next to each factor listed below, write “increase,” “decrease,” or “same” based on how you expect that factor to affect body temperature. Raising air temperature: ____increase______ Sweating: ___decrease_____ Lowering air temperature: ____decrease_____ Shivering: ___increase_____ Adding clothing: ___increase_____ Exercising: ____increase______ |Activity A: |Get the Gizmo ready: |[pic] | |

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