The nervous system is divided into two parts: the central nervous system and the peripheral nervous system. the central nervous system is composed of the brain and spinal cord. which part of the brain regulates vital homeostatic functions, such as breathing and heart rate?

Medulla

Explanation:

This part of the nervous system (Your brain) helps regulate your heart rate, breathing, and swallowing. As it is part of the brain stem, it helps transfer neural messages to and from the brain and spinal cord.

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.