​The temperature-regulating center in the body is located in the _______________________.

A) ​circulatory system
B) ​heart/lung region
C) ​autonomic nervous system
D) ​hypothalamus of the brain

Hypothalamus

A region of the brain that controls an enormous number of bodily functions including emotions, the autonomic nervous system, and the endocrine system.

Autonomic Nervous System

The part of the nervous system responsible for control of the bodily functions not consciously directed, such as breathing, the heartbeat, and digestive processes.