HiSet Science Practice Test 2025 – Complete Exam Preparation

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What is the portion of the central nervous system contained within the cranium?

Spinal Cord

Brain

The portion of the central nervous system contained within the cranium is the brain. The brain is the primary organ responsible for processing sensory information, controlling motor functions, and carrying out cognitive processes such as thinking and memory. It is encased in the skull, which protects it from injury, and is divided into various regions that specialize in different functions, including the cerebrum, cerebellum, and brain stem.

While other parts of the central nervous system, like the spinal cord, play crucial roles in communication between the brain and the rest of the body, they are located within the vertebral column, not the cranium. Therefore, the correct response is centered on the brain, which resides exclusively in the cranial cavity.

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Cerebellum

Brain Stem

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