The muscular system maintain body temperature. explain why humans shiver in the cold. be sure to discuss the process of cellular respiration in your answer.

The muscular system contributes to maintaining homeostasis by working with other body systems to regulate body temperature and dilate or constrict blood vessels close to the skin's surface, according to OpenCurriculum. The muscular, nervous, cardiovascular, endocrine and integumentary systems work together to cause sweating and shivering in the body, which contribute to homeostasis.

involuntary: A muscle movement not under conscious control e.g. the beating of the heart.