The body usually maintains a constant temperature of 98.6 degrees Fahrenheit. At this temperature the cells of the body work best. If there is any significant change in temperature, it is sensed by an area of the brain called the hypothalamus. When the body gets too cold, this center alerts the rest of the body to begin warming up. Shivering the rapid movement of the muscles to generate heat, then begins. Teeth chattering represents localized shivering.
Related topic: Why do people shiver when they are cold?
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"Why do your teeth chatter when you are cold?" was posted on Sunday, September 16th, 2007 at 9:40 am.
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