Answer: Ventricles
Explanation:
The ventricles can be defined as communicating network of the cavities which is filled with the cerebrospinal fluid.
The whole ventricular system consists of the 2 lateral ventricles, third ventricle, fourth ventricle and a cerebral aqueduct.
The choroid plexus are located in the ventricles produced CSF which fills the subarachnoid spaces and the ventricles itself.
