Question

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

Answer 1

Answer:

this is because when the body is cold it increases kinetic energy  in the molecules which will inturn give heat which results in shivering.

Explanation:

Answer 2

Explanation:

IN WINTER THE TEMPERATURE OUTSIDE OUR BODY BECOMES VERY LOW SHIVERING OR CHATTERING OF TEETH ARE NOTHING BUT SUDDEN CONTRACTION AND MOVEMENT OF BODY muscles