Why Do People ‘Shiver’ When It’s Cold?

When it’s cold, your body tries to keep you warm by shivering. Shivering is when your muscles quickly move back and forth, like jumping jacks, which creates heat inside your body. This helps you stay warm until the temperature gets better.

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Examples

A child jumps up and down on the sidewalk when it’s snowing outside
Your grandma's hands shake when she takes her coat off in a cold room
A dog shivers after coming inside from playing in the snow

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Categories: Health · shivering,body temperature,cold,physiology,thermoregulation