Which part of the human brain controls vital involuntary functions such as heartbeat, blood pressure, and breathing?

💡 Solution & Explanation

The medulla oblongata located within the brainstem controls essential autonomic life-support processes including cardiac rhythm, respiration rate, and blood pressure. The cerebrum handles higher cognitive functions, while the cerebellum coordinates muscular balance and fine motor movement. Damage to this critical brainstem region is typically fatal because it regulates breathing and heartbeat.