Hypothalamus And Body Viruses

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When a person is suffering from a fever, a pyrogen is inserted into the hypothalamus signaling a potential threat in the body. The hypothalamus increases the setpoint of the overall internal temperature as a defense mechanism against bacteria. Because the hypothalamus is constantly increasing the set point of the body’s internal temperature, the body feels cold and shivers as it constantly attempts to gain body heat through shivering and vasoconstriction. Body chills are caused by the muscle rapidly constricting relaxing hence the person’s shivering. The body is attempting to gain enough body heat until the bacteria is eliminated and can no longer harm the body.

Freshwater constantly have an intake of water because they are hypertonic to

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