Final answer:
The cerebellum and the medulla oblongata are part of the hindbrain, responsible for balance, movement, and motor skills, and regulating vital functions such as breathing and heart rate.
Step-by-step explanation:
The cerebellum and the medulla oblongata are part of the hindbrain, which is a division of the brain that also includes the pons. The cerebellum is responsible for controlling balance, coordination, movement, and motor skills, while the medulla oblongata regulates vital functions such as breathing and heart rate.