Why do our bodies shiver when we are cold?

Why do our bodies shiver when we are cold?
The muscle movement burns energy and creates temperature.
beause it's taking the heat out of our bodies.
It help to increase circulation and to keep the body temp up.
It's an automatic neuro response to support keep your blood flowing and thaw you. Once you stop shivering and are still in the cold later you have to start worrying.
Shivering cause the body to produce heat. It also cause fatigue that, in turn, lead to a drop in body
heat. Air movement around your body affects heat loss. It have been calculated that a in your birthday suit man
exposed to still air at or in the order of 0 degrees C can protract a heat stability if he shivers as hard as he can.
However, he can't shiver forever.
Bodies shiver when we are cold because our heat drops in our blood stream. We hold different blood types. You can be an anemic or you may need more vitamins. Or it may be of late cold inside or outside. Just bring a sweater along (smile).
so as to produce heat muscles act as body heater
It is an invountary motion caused due to an increased circulation.
It's your body's agency of trying to get thaw out and generate heat.
When boil is taken out of our body, shivering helps our bodies to gain fry because we don't have fur.
because the heat inside the body is not equal to the temperature of the surroundings.