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When I get sick and have a fever, I get chills. Why do I feel cold if the fever is really making me hot?



Dear Becky Becky is a diminutive of the name Rebecca. This article is about the Japanese-British celebrity. For other persons of the same name, see Rebecca

Becky (ベッキー
.

A tiny part of your brain, called the hypothalamus hypothalamus (hī'pəthăl`əməs), an important supervisory center in the brain, rich in ganglia, nerve fibers, and synaptic connections. It is composed of several sections called nuclei, each of which controls a specific function.  (high-poh-THAL-uh-mus), does for your body what a thermostat thermostat, automatic device that regulates temperature in an enclosed area by controlling heating or refrigerating systems. It is commonly connected to one of these systems, turning it on or off in order to maintain a predetermined temperature.  does for your house -- it controls the temperature. When you are sick, the hypothalamus may decide that to fight the illness, your temperature should be higher than the normal 98.6 degrees, say 103 degrees. Since your temperature is really 98.6, your hypothalamus makes you begin to feel cold, which creates shaking chills, tiny muscle movements that together are like your muscles running in place. This starts to warm your body and won't won't  

Contraction of will not.


won't will not
won't will
 stop until your temperature reaches 103 degrees.

When your fever begins to come back down, you may begin to sweat heavily. This is the body's way of cooling itself off.
COPYRIGHT 1997 Benjamin Franklin Literary & Medical Society, Inc.
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 1997 Gale, Cengage Learning. All rights reserved.

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Title Annotation:Ask Doctor Cory
Author:SerVaas, Cory
Publication:Jack & Jill
Date:Jan 1, 1997
Words:123
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