Fourth Grade
Worksheets
Your Body's Thermostat
How do your parents keep your house warm or cool? At home, there's probably a thermostat on the wall. Your parents set the temperature they want the house to be. The thermostat tells the heater or air conditioner when to come on and turn off again. The thermostat's job is to keep your house an even temperature. Did you know your body has a kind of thermostat, too?
Your body has a "thermostat" that controls your body's temperature. It is part of your brain called the hypothalamus (say: high-po-THA-luh-mus). The hypothalamus controls your body's responses to outside temperature. When you get hot, you sweat. Sweating cools your body. When you get cold, you get goose bumps .....
