Why does my body shake? Is my body trying to heat up or cool off?

I learn about this in science class a few days ago or:I learn about this in science class a few days agoor:Your body shakes to heat up.When you shake,

I learn about this in science class a few days ago

or:I learn about this in science class a few days ago

or:Your body shakes to heat up.When you shake, your muscles moves and moving muscles burns energy, burning energy creates heat.

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