Question

Why do you shiver and why do your teeth chatter when it is very cold in winter ?​

Answer 1

Answer:

So why do our teeth chatter when we get cold? The short answer is that our facial muscles are shaking in an attempt to get warm, causing our teeth to bang into one another. Your face is shivering! The two most common temperature regulation tools that the human body uses are sweating and shivering.

Explanation:

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Answer 2

Answer:

In the winter season when our body is exposed to cold weather , sudden contraction of muscles is seen. This muscle contraction generates more heat to keep our body in warm condition and adjust with the cold weather. Thus the muscle contraction causes shivering and teeth chattering