Name the two major dorsal cavities and their contents.

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Multiple Choice

Name the two major dorsal cavities and their contents.

Dorsal cavities are the two posterior spaces that protect the central nervous system. The cranial cavity houses the brain, and the vertebral (spinal) cavity encases the spinal cord. These cavities are separated from the ventral body cavities and are lined by meninges that provide defense and support for the CNS. The other options mix dorsal with ventral spaces or pair brain with a non-dorsal cavity, so they don’t fit. The correct identification is the cranial cavity containing the brain and the vertebral (spinal) cavity containing the spinal cord.

Dorsal cavities are the two posterior spaces that protect the central nervous system. The cranial cavity houses the brain, and the vertebral (spinal) cavity encases the spinal cord. These cavities are separated from the ventral body cavities and are lined by meninges that provide defense and support for the CNS. The other options mix dorsal with ventral spaces or pair brain with a non-dorsal cavity, so they don’t fit. The correct identification is the cranial cavity containing the brain and the vertebral (spinal) cavity containing the spinal cord.

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