Answer: Option B.
Ventricles are interconnecting spaces that produce and serve as reservoir for cerebrospinal fluid in the brain.
Explanation:
Ventricles are interconnected cavities that is lined by ependymal cells that are around the brain and spinal cord, which produce and transport cerebrospinal fluid around the cranial cavity. The form a structure called choroid plexus which is where the cerebrospinal fluid is produced.
