Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
The brainstem is the lower part of the brain that connects it with the spinal cord. It controls many basic functions such as heart rate, breathing, sleeping, and eating.
Part of the brainstem responsible for regulating vital functions such as heartbeat and respiration. Itโs akin to circuit breakers controlling electricity flow in different parts of your house.