Our bodies often shiver when we are cold.The shivering produces heat through:

Question

Quizplus · Accepted Answer

Shivering is an involuntary spasmodic muscular movement that generates heat as a byproduct of the metabolic process that powers muscle contraction. When muscles contract, they consume adenosine triphosphate (ATP) to produce movement, and this metabolic activity, in turn, generates heat that warms up the body. Therefore, shivering increases heat production by accelerating muscle metabolism and burning calories to maintain body temperature. Constriction of blood vessels, dilation of blood vessels, and evaporation are other physiological responses to cold, but they do not directly cause muscles to shiver or create heat through muscle activity.

Our Bodies Often Shiver When We Are Cold