When you become too cold, your hypothalamus will signal what parts of your body to raise the temperature?

Brain.

Explanation:

When you become too cold, your hypothalamus will signal your brain to raise the temperature.

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linnaeus is the father of taxonomy, which is the system of classifying and naming organisms. one of his contributions was the development of a hierarchical system of classification of nature. today, this system includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species.