The three major parts of the brain are the:

• A. Cerebellum, medulla, and occiput.
• B. Brain stem, midbrain, and spinal cord.
• C. Midbrain, cerebellum, and spinal cord.
• D. Cerebrum, cerebellum, and brain stem.

Answer: (D)

The brain has three main divisions: the cerebrum, the cerebellum, and the brain stem. The cerebrum is the largest part and handles conscious thought, senses, and voluntary movement. The cerebellum sits at the back and coordinates balance and fine motor control. The brain stem connects the brain to the spinal cord and regulates essential life functions such as breathing and heart rate. This is why the correct trio is cerebrum, cerebellum, and brain stem.

The other options mix in parts that aren’t brain major divisions (the occiput is a skull bone, not a brain structure) or place the spinal cord as part of the brain, which it isn’t. The midbrain is part of the brain stem, not a separate major division.